diff --git a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/BasicTypeValidator.java b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/BasicTypeValidator.java
index db302e2a9eba8b8fdc3da55ed6ac9d161372ab62..18e984c60558fc5adb375b330d695354b5f1e81f 100644
--- a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/BasicTypeValidator.java
+++ b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/BasicTypeValidator.java
@@ -27,7 +27,7 @@ import org.eclipse.emf.common.util.Diagnostic;
 import org.eclipse.emf.common.util.DiagnosticChain;
 
 import fr.centralesupelec.edf.riseclipse.iec61850.nsd.BasicType;
-import fr.centralesupelec.edf.riseclipse.iec61850.scl.DA;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.AbstractDataAttribute;
 import fr.centralesupelec.edf.riseclipse.iec61850.scl.Val;
 import fr.centralesupelec.edf.riseclipse.iec61850.scl.validator.RiseClipseValidatorSCL;
 import fr.centralesupelec.edf.riseclipse.util.AbstractRiseClipseConsole;
@@ -44,7 +44,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "BOOLEAN", new BasicTypeValidator( "BOOLEAN" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 switch( value ) {
                 case "0" :
                 case "1" :
@@ -61,7 +61,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "INT8", new BasicTypeValidator( "INT8" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 try {
                     new Byte( value );
                 }
@@ -76,7 +76,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "INT16", new BasicTypeValidator( "INT16" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 try {
                     new Short( value );
                 }
@@ -91,7 +91,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "INT32", new BasicTypeValidator( "INT32" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 try {
                     new Integer( value );
                 }
@@ -106,7 +106,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "INT64", new BasicTypeValidator( "INT64" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 try {
                     new Long( value );
                 }
@@ -121,7 +121,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "INT8U", new BasicTypeValidator( "INT8U" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 Long v;
                 try {
                     v = new Long( value );
@@ -137,7 +137,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "INT16U", new BasicTypeValidator( "INT16U" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 Long v;
                 try {
                     v = new Long( value );
@@ -153,7 +153,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "INT32U", new BasicTypeValidator( "INT32U" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 Long v;
                 try {
                     v = new Long( value );
@@ -169,7 +169,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "FLOAT32", new BasicTypeValidator( "FLOAT32" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 try {
                     new Float( value );
                 }
@@ -184,7 +184,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "Octet64", new BasicTypeValidator( "Octet64" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 return addDiagnosticErrorIfTrue( value.getBytes().length > 64, value, da, diagnostics );
             }
             
@@ -193,7 +193,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "VisString64", new BasicTypeValidator( "VisString64" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO: what is a VisString ?
                 return addDiagnosticErrorIfTrue( value.getBytes().length > 64, value, da, diagnostics );
             }
@@ -203,7 +203,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "VisString129", new BasicTypeValidator( "VisString129" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO: what is a VisString ?
                 return addDiagnosticErrorIfTrue( value.getBytes().length > 129, value, da, diagnostics );
             }
@@ -213,7 +213,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "VisString255", new BasicTypeValidator( "VisString255" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO: what is a VisString ?
                 return addDiagnosticErrorIfTrue( value.getBytes().length > 255, value, da, diagnostics );
             }
@@ -223,7 +223,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "Unicode255", new BasicTypeValidator( "Unicode255" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO: how do we handle Unicode ?
                 return addDiagnosticErrorIfTrue( value.getBytes().length > 255, value, da, diagnostics );
             }
@@ -233,7 +233,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "PhyComAddr", new BasicTypeValidator( "PhyComAddr" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -243,7 +243,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "ObjRef", new BasicTypeValidator( "ObjRef" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -253,7 +253,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "EntryID", new BasicTypeValidator( "EntryID" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -280,7 +280,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
                     "XPD", "XPF", "XPT", "XSU", "XTS", "XUA", "XXX", "YER", "ZAR", "ZMW", "ZWL", "XXX"
             ));
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO: what means "The concrete coding shall be defined by the SCSMs." ?
                 return addDiagnosticErrorIfTrue( ! ISO_4217_3_characterCurrencyCode.contains( value ), value, da, diagnostics );
             }
@@ -290,7 +290,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "Timestamp", new BasicTypeValidator( "Timestamp" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -300,7 +300,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "Quality", new BasicTypeValidator( "Quality" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -310,7 +310,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "EntryTime", new BasicTypeValidator( "EntryTime" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -320,7 +320,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "TrgOps", new BasicTypeValidator( "TrgOps" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -330,7 +330,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "OptFlds", new BasicTypeValidator( "OptFlds" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -340,7 +340,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "SvOptFlds", new BasicTypeValidator( "SvOptFlds" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -350,7 +350,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "Check", new BasicTypeValidator( "Check" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -360,7 +360,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "Tcmd", new BasicTypeValidator( "Tcmd" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -370,7 +370,7 @@ public abstract class BasicTypeValidator extends TypeValidator {
         validators.put( "Dbpos", new BasicTypeValidator( "Dbpos" ) {
 
             @Override
-            protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+            protected boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics ) {
                 // TODO
                 return addDiagnosticWarningNotImplemented( value, da, diagnostics );
             }
@@ -390,34 +390,32 @@ public abstract class BasicTypeValidator extends TypeValidator {
     }
     
     @Override
-    public boolean validateDA( DA da, DiagnosticChain diagnostics ) {
-        AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] BasicTypeValidator.validateDA( " + da.getName() + " ) at line " + da.getLineNumber() );
+    public boolean validateAbstractDataAttribute( AbstractDataAttribute ada, DiagnosticChain diagnostics ) {
+        AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] BasicTypeValidator.validateDA( " + ada.getName() + " ) at line " + ada.getLineNumber() );
         boolean res = true;
-        if( ! getName().equals( da.getBType() )) {
+        if( ! getName().equals( ada.getBType() )) {
             diagnostics.add( new BasicDiagnostic(
                     Diagnostic.ERROR,
                     RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                     0,
-                    "[NSD validation] type of DA " + da.getName() + " in DOType (id = " + da.getParentDOType().getId()
-                            + ", line = " + da.getParentDOType().getLineNumber() + ") is not " + getName(),
-                    new Object[] { da } ));
+                    "[NSD validation] type of DA/BDA " + ada.getName() + " line = " + ada.getLineNumber() + ") is not " + getName(),
+                    new Object[] { ada } ));
             res = false;
         }
-        for( Val val : da.getVal() ) {
-            res = validateValue( da, val.getValue(), diagnostics ) && res;
+        for( Val val : ada.getVal() ) {
+            res = validateValue( ada, val.getValue(), diagnostics ) && res;
         }
         
         return res;
     }
     
-    protected boolean addDiagnosticErrorIfTrue( boolean condition, String value, DA da, DiagnosticChain diagnostics ) {
+    protected boolean addDiagnosticErrorIfTrue( boolean condition, String value, AbstractDataAttribute da, DiagnosticChain diagnostics ) {
         if( condition ) {
             diagnostics.add( new BasicDiagnostic(
                     Diagnostic.ERROR,
                     RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                     0,
-                    "[NSD validation] value " + value + " of Val in DA " + da + " in DOType (id = " + da.getParentDOType().getId()
-                            + ", line = " + da.getParentDOType().getLineNumber() + ") is not a valid " + getName() + " value",
+                    "[NSD validation] value " + value + " of Val in DA/BDA " + da + " line = " + da.getLineNumber() + ") is not a valid " + getName() + " value",
                     new Object[] { da } ));
             return false;
             
@@ -425,17 +423,16 @@ public abstract class BasicTypeValidator extends TypeValidator {
         return true;
     }
     
-    protected boolean addDiagnosticWarningNotImplemented( String value, DA da, DiagnosticChain diagnostics ) {
+    protected boolean addDiagnosticWarningNotImplemented( String value, AbstractDataAttribute da, DiagnosticChain diagnostics ) {
         diagnostics.add( new BasicDiagnostic(
                 Diagnostic.WARNING,
                 RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                 0,
-                "[NSD validation] verification of value " + value + " of Val in DA " + da + " in DOType (id = " + da.getParentDOType().getId()
-                        + ", line = " + da.getParentDOType().getLineNumber() + ") is not implemented for BasicType " + getName(),
+                "[NSD validation] verification of value " + value + " of Val in DA/BDA " + da + " line = " + da.getLineNumber() + ") is not implemented for BasicType " + getName(),
                 new Object[] { da } ));
         return true;
     }
 
-    protected abstract boolean validateValue( DA da, String value, DiagnosticChain diagnostics );
+    protected abstract boolean validateValue( AbstractDataAttribute da, String value, DiagnosticChain diagnostics );
 
 }
diff --git a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/CDCValidator.java b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/CDCValidator.java
index 53d9a37708fd75b6701ebecce6ed27d229321dba..f57a6dcb4a57ea392bdd021eb61b3adc7a97447c 100644
--- a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/CDCValidator.java
+++ b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/CDCValidator.java
@@ -101,10 +101,11 @@ public class CDCValidator {
         for( DA da : doType.getDA() ) {
             TypeValidator validator = dataAttributeValidatorMap.get( da.getName() );
             if( validator != null ) {
-                validator.validateDA( da, diagnostics );
+                validator.validateAbstractDataAttribute( da, diagnostics );
             }
             else {
-                AbstractRiseClipseConsole.getConsole().warning( "[NSD validation] while validating DOType (line " + doType.getLineNumber() + "): validator for DA " + da.getName() + " not found" );
+                // DA not allowed, error will be reported by PresenceConditionValidator
+                //AbstractRiseClipseConsole.getConsole().warning( "[NSD validation] while validating DOType (line " + doType.getLineNumber() + "): validator for DA " + da.getName() + " not found" );
             }
         }
       
@@ -112,7 +113,6 @@ public class CDCValidator {
             CDCValidator validator = subDataObjectValidatorMap.get( sdo.getName() );
             if( validator != null ) {
                 if( sdo.getRefersToDOType() != null ) {
-                    AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validateDOType( " + doType.getId() + " ) on sdo " + sdo.getName() );
                     res = validator.validateDOType( sdo.getRefersToDOType(), diagnostics ) && res;
                 }
                 else {
diff --git a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/ConstructedAttributeValidator.java b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/ConstructedAttributeValidator.java
new file mode 100644
index 0000000000000000000000000000000000000000..1cdbe9dbfbc2e6d6f97b0d49e490760e6133d307
--- /dev/null
+++ b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/ConstructedAttributeValidator.java
@@ -0,0 +1,91 @@
+/**
+ *  Copyright (c) 2019 CentraleSupélec & EDF.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ * 
+ *  This file is part of the RiseClipse tool
+ *  
+ *  Contributors:
+ *      Computer Science Department, CentraleSupélec
+ *      EDF R&D
+ *  Contacts:
+ *      dominique.marcadet@centralesupelec.fr
+ *      aurelie.dehouck-neveu@edf.fr
+ *  Web site:
+ *      http://wdi.supelec.fr/software/RiseClipse/
+ */
+package fr.centralesupelec.edf.riseclipse.iec61850.scl.validator.nsd;
+
+import java.util.HashMap;
+import java.util.HashSet;
+
+import org.eclipse.emf.common.util.DiagnosticChain;
+
+import fr.centralesupelec.edf.riseclipse.iec61850.nsd.ConstructedAttribute;
+import fr.centralesupelec.edf.riseclipse.iec61850.nsd.SubDataAttribute;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.AbstractDataAttribute;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.BDA;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.DAType;
+import fr.centralesupelec.edf.riseclipse.util.AbstractRiseClipseConsole;
+
+public class ConstructedAttributeValidator extends TypeValidator {
+
+    private SubDataAttributePresenceConditionValidator subDataAttributePresenceConditionValidator;
+    private HashMap< String, TypeValidator > subDataAttributeValidatorMap = new HashMap<>();
+    private HashSet< DAType > validatedDAType = new HashSet<>(); 
+
+    public ConstructedAttributeValidator( ConstructedAttribute contructedAttribute ) {
+        subDataAttributePresenceConditionValidator = SubDataAttributePresenceConditionValidator.get( contructedAttribute );
+        
+        for( SubDataAttribute sda : contructedAttribute.getSubDataAttribute() ) {
+            TypeValidator validator = TypeValidator.get( sda.getType() );
+            if( validator != null ) {
+                subDataAttributeValidatorMap.put( sda.getName(), validator );
+            }
+            else {
+                AbstractRiseClipseConsole.getConsole().warning( "[NSD setup] Type not found for DataAttribute " + sda.getName() );
+            }
+        }
+    }
+
+    @Override
+    public boolean validateAbstractDataAttribute( AbstractDataAttribute da, DiagnosticChain diagnostics ) {
+        AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] ConstructedAttributeValidator.validateBDA( " + da.getName() + " ) at line " + da.getLineNumber() );
+        boolean res = true;
+        
+        if( da.getRefersToDAType() != null ) {
+            res = validateDAType( da.getRefersToDAType(), diagnostics ) && res;
+        }
+        return res;
+    }
+
+    private boolean validateDAType( DAType daType, DiagnosticChain diagnostics ) {
+        if( validatedDAType.contains( daType )) return true;
+        AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] ConstructedAttributeValidator.validateDAType( " + daType.getId() + " ) at line " + daType.getLineNumber() );
+        validatedDAType.add( daType );
+        
+        subDataAttributePresenceConditionValidator.reset();
+        daType
+        .getBDA()
+        .stream()
+        .forEach( bda -> subDataAttributePresenceConditionValidator.addBDA( bda, diagnostics ));
+      
+        boolean res = subDataAttributePresenceConditionValidator.validate( daType, diagnostics );
+        
+        for( BDA bda : daType.getBDA() ) {
+            TypeValidator validator = subDataAttributeValidatorMap.get( bda.getName() );
+            if( validator != null ) {
+                validator.validateAbstractDataAttribute( bda, diagnostics );
+            }
+            else {
+                // BDA not allowed, error will be reported by PresenceConditionValidator
+                //AbstractRiseClipseConsole.getConsole().warning( "[NSD validation] while validating DAType (line " + daType.getLineNumber() + "): validator for BDA " + bda.getName() + " not found" );
+            }
+        }
+      
+        return res;
+    }
+
+}
diff --git a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/DataAttributePresenceConditionValidator.java b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/DataAttributePresenceConditionValidator.java
index 1ef79a842f99bf06b9bd609e3277aa163dea6046..1e18a8d20a35b4c595dc5d158ce16a5fe19c0896 100644
--- a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/DataAttributePresenceConditionValidator.java
+++ b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/DataAttributePresenceConditionValidator.java
@@ -496,42 +496,42 @@ public class DataAttributePresenceConditionValidator {
         if( mandatoryIfSiblingPresentElseForbidden != null ) {
             for( Entry< String, String > e : mandatoryIfSiblingPresentElseForbidden.entrySet() ) {
                 if( ! presentDA.containsKey( e.getValue() )) {
-                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataObject " + e.getKey() + " is unknown" );
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataAttribute " + e.getKey() + " is unknown" );
                 }
             }
         }
         if( mandatoryIfSiblingPresentElseOptional != null ) {
             for( Entry< String, String > e : mandatoryIfSiblingPresentElseOptional.entrySet() ) {
                 if( ! presentDA.containsKey( e.getValue() )) {
-                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataObject " + e.getKey() + " is unknown" );
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataAttribute " + e.getKey() + " is unknown" );
                 }
             }
         }
         if( optionalIfSiblingPresentElseMandatory != null ) {
             for( Entry< String, String > e : optionalIfSiblingPresentElseMandatory.entrySet() ) {
                 if( ! presentDA.containsKey( e.getValue() )) {
-                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataObject " + e.getKey() + " is unknown" );
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataAttribute " + e.getKey() + " is unknown" );
                 }
             }
         }
         if( forbiddenIfSiblingPresentElseMandatory != null ) {
             for( Entry< String, String > e : forbiddenIfSiblingPresentElseMandatory.entrySet() ) {
                 if( ! presentDA.containsKey( e.getValue() )) {
-                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataObject " + e.getKey() + " is unknown" );
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataAttribute " + e.getKey() + " is unknown" );
                 }
             }
         }
         if( oneOrMoreIfSiblingPresentElseForbidden != null ) {
             for( Entry< String, String > e : oneOrMoreIfSiblingPresentElseForbidden.entrySet() ) {
                 if( ! presentDA.containsKey( e.getValue() )) {
-                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataObject " + e.getKey() + " is unknown" );
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataAttribute " + e.getKey() + " is unknown" );
                 }
             }
         }
         if( optionalIfSiblingPresentElseForbidden != null ) {
             for( Entry< String, String > e : optionalIfSiblingPresentElseForbidden.entrySet() ) {
                 if( ! presentDA.containsKey( e.getValue() )) {
-                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataObject " + e.getKey() + " is unknown" );
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of DataAttribute " + e.getKey() + " is unknown" );
                 }
             }
         }
diff --git a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/EnumerationValidator.java b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/EnumerationValidator.java
index b4b7205ecf458b8cfff2bb76f8773f4cdfcfc79b..4e309c582a1d1a98f44056f9bb87973826622a99 100644
--- a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/EnumerationValidator.java
+++ b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/EnumerationValidator.java
@@ -26,7 +26,7 @@ import org.eclipse.emf.common.util.Diagnostic;
 import org.eclipse.emf.common.util.DiagnosticChain;
 
 import fr.centralesupelec.edf.riseclipse.iec61850.nsd.Enumeration;
-import fr.centralesupelec.edf.riseclipse.iec61850.scl.DA;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.AbstractDataAttribute;
 import fr.centralesupelec.edf.riseclipse.iec61850.scl.EnumType;
 import fr.centralesupelec.edf.riseclipse.iec61850.scl.EnumVal;
 import fr.centralesupelec.edf.riseclipse.iec61850.scl.Val;
@@ -56,8 +56,8 @@ public class EnumerationValidator extends TypeValidator {
     }
     
     @Override
-    public boolean validateDA( DA da, DiagnosticChain diagnostics ) {
-        AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] EnumerationValidator.validateDA( " + da.getName() + " ) at line " + da.getLineNumber() );
+    public boolean validateAbstractDataAttribute( AbstractDataAttribute ada, DiagnosticChain diagnostics ) {
+        AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] EnumerationValidator.validateAbstractDataAttribute( " + ada.getName() + " ) at line " + ada.getLineNumber() );
         
         if(( inheritedFromName != null ) && ( inheritedFrom == null )) {
             TypeValidator inheritedValidator = TypeValidator.get( inheritedFromName );
@@ -70,59 +70,56 @@ public class EnumerationValidator extends TypeValidator {
                         RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                         0,
                         "[NSD validation] validator for inherited enumeration " + inheritedFromName + " not found",
-                        new Object[] { da } ));
+                        new Object[] { ada } ));
                 // Avoid checking again
                 inheritedFromName = null;
             }
         }
 
         boolean res = true;
-        if( ! "Enum".equals(  da.getBType() )) {
+        if( ! "Enum".equals(  ada.getBType() )) {
             diagnostics.add( new BasicDiagnostic(
                     Diagnostic.ERROR,
                     RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                     0,
-                    "[NSD validation] bType of DA " + da.getName() + " in DOType (id = " + da.getParentDOType().getId()
-                            + ", line = " + da.getParentDOType().getLineNumber() + ") is not Enum",
-                    new Object[] { da } ));
+                    "[NSD validation] bType of DA/BDA " + ada.getName() + " line = " + ada.getLineNumber() + ") is not Enum",
+                    new Object[] { ada } ));
             res = false;
         }
-        if( ! getName().equals( da.getType() )) {
+        if( ! getName().equals( ada.getType() )) {
             diagnostics.add( new BasicDiagnostic(
                     Diagnostic.ERROR,
                     RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                     0,
-                    "[NSD validation] type of DA " + da.getName() + " in DOType (id = " + da.getParentDOType().getId()
-                            + ", line = " + da.getParentDOType().getLineNumber() + ") is not " + getName(),
-                    new Object[] { da } ));
+                    "[NSD validation] type of DA/BDA " + ada.getName() + " line = " + ada.getLineNumber() + ") is not " + getName(),
+                    new Object[] { ada } ));
             res = false;
         }
-        for( Val val : da.getVal() ) {
-            res = validateValue( da, val.getValue(), diagnostics ) && res;
+        for( Val val : ada.getVal() ) {
+            res = validateValue( ada, val.getValue(), diagnostics ) && res;
         }
         
-        if( da.getRefersToEnumType() != null ) {
-            res = validateEnumType( da.getRefersToEnumType(), diagnostics ) && res;
+        if( ada.getRefersToEnumType() != null ) {
+            res = validateEnumType( ada.getRefersToEnumType(), diagnostics ) && res;
         }
         
         return res;
     }
     
-    protected boolean validateValue( DA da, String value, DiagnosticChain diagnostics ) {
+    protected boolean validateValue( AbstractDataAttribute ada, String value, DiagnosticChain diagnostics ) {
         boolean res = true;
         
         if( ! literals.containsKey( value )) {
             if( inheritedFrom != null ) {
-                res = inheritedFrom.validateValue( da, value, diagnostics ) && res;
+                res = inheritedFrom.validateValue( ada, value, diagnostics ) && res;
             }
             else {
                 diagnostics.add( new BasicDiagnostic(
                         Diagnostic.ERROR,
                         RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                         0,
-                        "[NSD validation] value of DA " + da.getName() + " in DOType (id = " + da.getParentDOType().getId()
-                                + ", line = " + da.getParentDOType().getLineNumber() + ") is not valid",
-                        new Object[] { da } ));
+                        "[NSD validation] value of DA/BDA " + ada.getName() + " line = " + ada.getLineNumber() + ") is not valid",
+                        new Object[] { ada } ));
                 res = false;
             }
         }
@@ -150,21 +147,36 @@ public class EnumerationValidator extends TypeValidator {
                             RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
                             0,
                             "[NSD validation] EnumVal " + enumVal.getValue() + " in EnumType (id = " + enumType.getId()
-                                    + " at line " + enumVal.getLineNumber() + " is unknown",
+                                    + ") at line " + enumVal.getLineNumber() + " is unknown",
                             new Object[] { enumVal } ));
                     res = false;
                 }
             }
-            else if( literals.get( enumVal.getValue() ).equals( enumVal.getOrd() )) {
-                diagnostics.add( new BasicDiagnostic(
-                        Diagnostic.ERROR,
-                        RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
-                        0,
-                        "[NSD validation] EnumVal " + enumVal.getValue() + " in EnumType (id = " + enumType.getId()
-                                + " at line " + enumVal.getLineNumber() + " has incorrect ord (" + enumVal.getOrd()
-                                + " instead of " + literals.get( enumVal.getValue() ),
-                        new Object[] { enumVal } ));
-                res = false;
+            else {
+                try {
+                    Integer val = new Integer( literals.get( enumVal.getValue() ));
+                    if( ! val.equals( enumVal.getOrd() )) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] EnumVal " + enumVal.getValue() + " in EnumType (id = " + enumType.getId()
+                                        + ") at line " + enumVal.getLineNumber() + " has incorrect ord (" + enumVal.getOrd()
+                                        + " instead of " + literals.get( enumVal.getValue() ) + ")",
+                                new Object[] { enumVal } ));
+                        res = false;
+                    }
+                }
+                catch( NumberFormatException e ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.ERROR,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] EnumVal " + enumVal.getValue() + " in EnumType (id = " + enumType.getId()
+                                    + ") at line " + enumVal.getLineNumber() + " is not an integer",
+                            new Object[] { enumVal } ));
+                    res = false;
+                }
             }
         }
         
diff --git a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/SubDataAttributePresenceConditionValidator.java b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/SubDataAttributePresenceConditionValidator.java
new file mode 100644
index 0000000000000000000000000000000000000000..37f5d83f0f522e9b0de47516835635ad96a7c25e
--- /dev/null
+++ b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/SubDataAttributePresenceConditionValidator.java
@@ -0,0 +1,1377 @@
+/**
+ *  Copyright (c) 2019 CentraleSupélec & EDF.
+ *  All rights reserved. This program and the accompanying materials
+ *  are made available under the terms of the Eclipse Public License v1.0
+ *  which accompanies this distribution, and is available at
+ *  http://www.eclipse.org/legal/epl-v10.html
+ * 
+ *  This file is part of the RiseClipse tool
+ *  
+ *  Contributors:
+ *      Computer Science Department, CentraleSupélec
+ *      EDF R&D
+ *  Contacts:
+ *      dominique.marcadet@centralesupelec.fr
+ *      aurelie.dehouck-neveu@edf.fr
+ *  Web site:
+ *      http://wdi.supelec.fr/software/RiseClipse/
+ */
+package fr.centralesupelec.edf.riseclipse.iec61850.scl.validator.nsd;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map.Entry;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.eclipse.emf.common.util.BasicDiagnostic;
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.DiagnosticChain;
+import fr.centralesupelec.edf.riseclipse.iec61850.nsd.ConstructedAttribute;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.BDA;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.DAType;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.validator.RiseClipseValidatorSCL;
+import fr.centralesupelec.edf.riseclipse.util.AbstractRiseClipseConsole;
+import fr.centralesupelec.edf.riseclipse.util.IRiseClipseConsole;
+
+public class SubDataAttributePresenceConditionValidator {
+    
+    private static HashMap< String, SubDataAttributePresenceConditionValidator > validators = new HashMap<>();
+    
+    public static SubDataAttributePresenceConditionValidator get( ConstructedAttribute constructedAttribute ) {
+        if( ! validators.containsKey( constructedAttribute.getName() )) {
+            validators.put( constructedAttribute.getName(), new SubDataAttributePresenceConditionValidator( constructedAttribute ));
+        }
+        return validators.get( constructedAttribute.getName() );
+    }
+    
+    private ConstructedAttribute constructedAttribute;
+    
+    // Name of the SubDataAttribute/BDA, BDA
+    private HashMap< String, BDA > presentBDA = new HashMap<>();
+    
+    private HashSet< String > mandatory;
+    private HashSet< String > optional;
+    private HashSet< String > forbidden;
+    private HashSet< String > notApplicable;
+    private HashSet< String > mandatoryMulti;
+    private HashSet< String > optionalMulti;
+    private HashMap< Integer, HashSet< String > > atLeastOne;
+    private HashSet< String > atMostOne;
+    private HashMap< Integer, HashSet< String > > allOrNonePerGroup;
+    private HashMap< Integer, HashSet< String > > allOnlyOneGroup;
+    private HashMap< Integer, HashSet< String > > allAtLeastOneGroup;
+    private HashMap< String, String > mandatoryIfSiblingPresentElseForbidden;
+    private HashMap< String, String > mandatoryIfSiblingPresentElseOptional;
+    private HashMap< String, String > optionalIfSiblingPresentElseMandatory;
+    private HashMap< String, String > forbiddenIfSiblingPresentElseMandatory;
+    private HashMap< String, String > mandatoryIfTextConditionElseOptional;
+    private HashMap< String, String > mandatoryIfTextConditionElseForbidden;
+    private HashMap< String, String > optionalIfTextConditionElseForbidden;
+    private HashMap< String, Pair< Integer, Integer > > mandatoryMultiRange;
+    private HashMap< String, Pair< Integer, Integer > > optionalMultiRange;
+    private HashSet< String > mandatoryIfSubstitutionElseForbidden;
+    private HashSet< String > mandatoryInLLN0ElseOptional;
+    private HashSet< String > mandatoryInLLN0ElseForbidden;
+    private HashSet< String > mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional;
+    private HashSet< String > mandatoryIfNameSpaceOfDataObjectDeviatesElseOptional;
+    private HashSet< String > mandatoryIfAnalogValueIncludesIElseForbidden;
+    private HashSet< String > mandatoryIfVectorSiblingIncludesIAsChildMagElseForbidden;
+    private HashSet< String > mandatoryIfVectorSiblingIncludesIAsChildAngElseForbidden;
+    private HashSet< String > mandatoryIfHarmonicValuesCalculatedAsRatioElseOptional;
+    private HashSet< String > mandatoryInRootLogicalDeviceElseOptional;
+    private HashSet< String > mandatoryIfControlSupportsTimeElseOptional;
+    private HashMap< String, String > oneOrMoreIfSiblingPresentElseForbidden;
+    private HashSet< String > mandatoryIfControlSupportsSecurity1ElseOptional;
+    private HashSet< String > mandatoryIfControlSupportsSecurity2ElseOptional;
+    private HashMap< String, String > optionalIfSiblingPresentElseForbidden;
+    private HashSet< String > mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional2;
+    private HashSet< String > mandatoryIfMeasuredValueExposesRange;
+    private HashSet< String > optionalIfPhsRefIsSynchrophasorElseMandatory;
+    
+    private final IRiseClipseConsole console = AbstractRiseClipseConsole.getConsole();
+    
+    public SubDataAttributePresenceConditionValidator( ConstructedAttribute constructedAttribute ) {
+        this.constructedAttribute = constructedAttribute;
+        
+        constructedAttribute
+        .getSubDataAttribute()
+        .stream()
+        .forEach( sda -> addSpecification( sda.getName(), sda.getPresCond(), sda.getPresCondArgs() ) );
+
+        checkSpecification();
+    }
+    
+    public void reset() {
+        for( String bda : presentBDA.keySet() ) {
+            presentBDA.put( bda, null );
+        }
+    }
+    
+    private void addSpecification( String name, String presCond, String presCondArgs ) {
+        if( presentBDA.containsKey( name )) {
+            console.warning( "[NSD setup] " + name + " has already been added to SubDataAttributePresenceConditionValidator" );
+            return;
+        }
+        presentBDA.put( name, null );
+
+        switch( presCond ) {
+        case "M" :
+            // Element is mandatory
+            if( mandatory == null ) mandatory = new HashSet<>();
+            mandatory.add( name );
+            break;
+        case "O" :
+            // Element is optional
+            if( optional == null ) optional = new HashSet<>();
+            optional.add( name );
+            break;
+        case "F" :
+            // Element is forbidden
+            if( forbidden == null ) forbidden = new HashSet<>();
+            forbidden.add( name );
+            break;
+        case "na" :
+            // Element is not applicable
+            // -> TODO: what does it mean ? what do we have to check ?
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"na\" in PresenceCondition" );
+            if( notApplicable == null ) notApplicable = new HashSet<>();
+            notApplicable.add( name );
+            break;
+        case "Mmulti" :
+            // At least one element shall be present; all instances have an instance number > 0
+            // -> TODO: not sure what is the instance number, it is assumed to be the suffix of DO name
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"Mmulti\" in PresenceCondition" );
+            if( mandatoryMulti == null ) mandatoryMulti = new HashSet<>();
+            mandatoryMulti.add( name );
+            break;
+        case "Omulti" :
+            // Zero or more elements may be present; all instances have an instance number > 0
+            // -> TODO: not sure what is the instance number, it is assumed to be the suffix of DO name
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"Omulti\" in PresenceCondition" );
+            if( optionalMulti == null ) optionalMulti = new HashSet<>();
+            optionalMulti.add( name );
+            break;
+        case "AtLeastOne" :
+            // Parameter n: group number (> 0).
+            // At least one of marked elements of a group n shall be present
+            if( atLeastOne == null ) atLeastOne = new HashMap<>();
+            try {
+                Integer arg = Integer.valueOf( presCondArgs );
+                if( arg <= 0 ) {
+                    console.warning( "[NSD setup] argument of PresenceCondition \"AtLeastOne\" is not a positive integer" );
+                    break;
+                }
+                if( ! atLeastOne.containsKey( arg )) {
+                    atLeastOne.put( arg, new HashSet<>() );
+                }
+                atLeastOne.get( arg ).add( name );
+                break;
+            }
+            catch( NumberFormatException e ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"AtLeastOne\" is not an integer" );
+                break;
+            }
+        case "AtMostOne" :
+            // At most one of marked elements shall be present
+            if( atMostOne == null ) atMostOne = new HashSet<>();
+            atMostOne.add( name );
+            break;
+        case "AllOrNonePerGroup" :
+            // Parameter n: group number (> 0).
+            // All or none of the elements of a group n shall be present
+            if( allOrNonePerGroup == null ) allOrNonePerGroup = new HashMap<>();
+            try {
+                Integer arg = Integer.valueOf( presCondArgs );
+                if( arg <= 0 ) {
+                    console.warning( "[NSD setup] argument of PresenceCondition \"AllOrNonePerGroup\" is not a positive integer" );
+                    break;
+                }
+                if( ! allOrNonePerGroup.containsKey( arg )) {
+                    allOrNonePerGroup.put( arg, new HashSet<>() );
+                }
+                allOrNonePerGroup.get( arg ).add( name );
+                break;
+            }
+            catch( NumberFormatException e ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"AllOrNonePerGroup\" is not an integer" );
+                break;
+            }
+        case "AllOnlyOneGroup" :
+            // Parameter n: group number (> 0).
+            // All elements of only one group n shall be present
+            if( allOnlyOneGroup == null ) allOnlyOneGroup = new HashMap<>();
+            try {
+                Integer arg = Integer.valueOf( presCondArgs );
+                if( arg <= 0 ) {
+                    console.warning( "[NSD setup] argument of PresenceCondition \"AllOnlyOneGroup\" is not a positive integer" );
+                    break;
+                }
+                if( ! allOnlyOneGroup.containsKey( arg )) {
+                    allOnlyOneGroup.put( arg, new HashSet<>() );
+                }
+                allOnlyOneGroup.get( arg ).add( name );
+                break;
+            }
+            catch( NumberFormatException e ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"AllOnlyOneGroup\" is not an integer" );
+                break;
+            }
+        case "AllAtLeastOneGroup" :
+            // Parameter n: group number (> 0).
+            // All elements of at least one group n shall be present
+            if( allAtLeastOneGroup == null ) allAtLeastOneGroup = new HashMap<>();
+            try {
+                Integer arg = Integer.valueOf( presCondArgs );
+                if( arg <= 0 ) {
+                    console.warning( "[NSD setup] argument of PresenceCondition \"AllAtLeastOneGroup\" is not a positive integer" );
+                    break;
+                }
+                if( ! allAtLeastOneGroup.containsKey( arg )) {
+                    allAtLeastOneGroup.put( arg, new HashSet<>() );
+                }
+                allAtLeastOneGroup.get( arg ).add( name );
+                break;
+            }
+            catch( NumberFormatException e ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"AllAtLeastOneGroup\" is not an integer" );
+                break;
+            }
+        case "MF" :
+            // Parameter sibling: sibling element name.
+            // Mandatory if sibling element is present, otherwise forbidden
+            if( mandatoryIfSiblingPresentElseForbidden == null ) mandatoryIfSiblingPresentElseForbidden = new HashMap<>();
+            mandatoryIfSiblingPresentElseForbidden.put( name, presCondArgs );
+            break;
+        case "MO" :
+            // Parameter sibling: sibling element name.
+            // Mandatory if sibling element is present, otherwise optional
+            if( mandatoryIfSiblingPresentElseOptional == null ) mandatoryIfSiblingPresentElseOptional = new HashMap<>();
+            mandatoryIfSiblingPresentElseOptional.put( name, presCondArgs );
+            break;
+        case "OM" :
+            // Parameter sibling: sibling element name.
+            // Optional if sibling element is present, otherwise mandatory
+            if( optionalIfSiblingPresentElseMandatory == null ) optionalIfSiblingPresentElseMandatory = new HashMap<>();
+            optionalIfSiblingPresentElseMandatory.put( name, presCondArgs );
+            break;
+        case "FM" :
+            // Parameter sibling: sibling element name.
+            // Forbidden if sibling element is present, otherwise mandatory
+            if( forbiddenIfSiblingPresentElseMandatory == null ) forbiddenIfSiblingPresentElseMandatory = new HashMap<>();
+            forbiddenIfSiblingPresentElseMandatory.put( name, presCondArgs );
+            break;
+        case "MOcond" :
+            // Parameter condID: condition number (> 0).
+            // Textual presence condition (non-machine processable) with reference condID to context specific text.
+            // If satisfied, the element is mandatory, otherwise optional
+            if( mandatoryIfTextConditionElseOptional == null ) mandatoryIfTextConditionElseOptional = new HashMap<>();
+            try {
+                Integer arg = Integer.valueOf( presCondArgs );
+                if( arg <= 0 ) {
+                    console.warning( "[NSD setup] argument of PresenceCondition \"MOcond\" is not a positive integer" );
+                    break;
+                }
+                mandatoryIfTextConditionElseOptional.put( name, presCondArgs );
+                break;
+            }
+            catch( NumberFormatException e ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"MOcond\" is not an integer" );
+                break;
+            }
+        case "MFcond" :
+            // Parameter condID: condition number (> 0).
+            // Textual presence condition (non-machine processable) with reference condID to context specific text.
+            // If satisfied, the element is mandatory, otherwise forbidden
+            if( mandatoryIfTextConditionElseForbidden == null ) mandatoryIfTextConditionElseForbidden = new HashMap<>();
+            try {
+                Integer arg = Integer.valueOf( presCondArgs );
+                if( arg <= 0 ) {
+                    console.warning( "[NSD setup] argument of PresenceCondition \"MFcond\" is not a positive integer" );
+                    break;
+                }
+                mandatoryIfTextConditionElseForbidden.put( name, presCondArgs );
+                break;
+            }
+            catch( NumberFormatException e ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"MFcond\" is not an integer" );
+                break;
+            }
+        case "OFcond" :
+            // Parameter condID: condition number (> 0).
+            // Textual presence condition (non-machine processable) with reference condID to context specific text.
+            // If satisfied, the element is optional, otherwise forbidden
+            if( optionalIfTextConditionElseForbidden == null ) optionalIfTextConditionElseForbidden = new HashMap<>();
+            try {
+                Integer arg = Integer.valueOf( presCondArgs );
+                if( arg <= 0 ) {
+                    console.warning( "[NSD setup] argument of PresenceCondition \"MFcond\" is not a positive integer" );
+                    break;
+                }
+                optionalIfTextConditionElseForbidden.put( name, presCondArgs );
+                break;
+            }
+            catch( NumberFormatException e ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"MFcond\" is not an integer" );
+                break;
+            }
+        case "MmultiRange" :
+            // Parameters min, max: limits for instance number (> 0).
+            // One or more elements shall be present; all instances have an instance number within range [min, max] (see IEC 61850-7-1)
+            // -> TODO: not sure what is the instance number, it is assumed to be the suffix of DO name
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MmultiRange\" in PresenceCondition" );
+            if( mandatoryMultiRange == null ) mandatoryMultiRange = new HashMap<>();
+            String[] limits1 = presCondArgs.split( "[ ,]+" );
+            if( limits1.length != 2 ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"MmultiRange\" is not two integers" );
+                break;
+            }
+            Integer min1 = Integer.valueOf( limits1[0] );
+            if( min1 <= 0 ) {
+                console.warning( "[NSD setup] first argument of PresenceCondition \"MmultiRange\" is not a positive integer" );
+                break;
+            }
+            Integer max1 = Integer.valueOf( limits1[1] );
+            if( max1 <= 0 ) {
+                console.warning( "[NSD setup] second argument of PresenceCondition \"MmultiRange\" is not a positive integer" );
+                break;
+            }
+            mandatoryMultiRange.put( name, Pair.of( min1, max1 ));
+            break;
+        case "OmultiRange" :
+            // Parameters min, max: limits for instance number (> 0).
+            // Zero or more elements may be present; all instances have an instance number within range [min, max] (see IEC 61850-7-1)
+            // -> TODO: not sure what is the instance number, it is assumed to be the suffix of DO name
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"OmultiRange\" in PresenceCondition" );
+            if( optionalMultiRange == null ) optionalMultiRange = new HashMap<>();
+            String[] limits2 = presCondArgs.split( "[ ,]+" );
+            if( limits2.length != 2 ) {
+                console.warning( "[NSD setup] argument of PresenceCondition \"OmultiRange\" is not two integers" );
+                break;
+            }
+            Integer min2 = Integer.valueOf( limits2[0] );
+            if( min2 <= 0 ) {
+                console.warning( "[NSD setup] first argument of PresenceCondition \"OmultiRange\" is not a positive integer" );
+                break;
+            }
+            Integer max2 = Integer.valueOf( limits2[1] );
+            if( max2 <= 0 ) {
+                console.warning( "[NSD setup] second argument of PresenceCondition \"OmultiRange\" is not a positive integer" );
+                break;
+            }
+            optionalMultiRange.put( name, Pair.of( min2, max2 ));
+            break;
+        case "MFsubst" :
+            // Element is mandatory if substitution is supported (for substitution, see IEC 61850-7-3), otherwise forbidden
+            // TODO: how do we know if substitution is supported ?
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MFsubst\" in PresenceCondition" );
+            if( mandatoryIfSubstitutionElseForbidden == null ) mandatoryIfSubstitutionElseForbidden = new HashSet<>();
+            mandatoryIfSubstitutionElseForbidden.add( name );
+            break;
+        case "MOln0" :
+            // Element is mandatory in the context of LLN0; otherwise optional
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOln0\" in PresenceCondition" );
+            if( mandatoryInLLN0ElseOptional == null ) mandatoryInLLN0ElseOptional = new HashSet<>();
+            mandatoryInLLN0ElseOptional.add( name );
+            break;
+        case "MFln0" :
+            // Element is mandatory in the context of LLN0; otherwise forbidden
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MFln0\" in PresenceCondition" );
+            if( mandatoryInLLN0ElseForbidden == null ) mandatoryInLLN0ElseForbidden = new HashSet<>();
+            mandatoryInLLN0ElseForbidden.add( name );
+            break;
+        case "MOlnNs" :
+            // Element is mandatory if the name space of its logical node deviates from the name space of the containing
+            // logical device, otherwise optional. See IEC 61850-7-1 for use of name space
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOlnNs\" in PresenceCondition" );
+            if( mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional == null ) mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional = new HashSet<>();
+            mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional.add( name );
+            break;
+        case "MOdataNs" :
+            // Element is mandatory if the name space of its data object deviates from the name space of its logical node,
+            // otherwise optional. See IEC 61850-7-1 for use of name space
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOdataNs\" in PresenceCondition" );
+            if( mandatoryIfNameSpaceOfDataObjectDeviatesElseOptional == null ) mandatoryIfNameSpaceOfDataObjectDeviatesElseOptional = new HashSet<>();
+            mandatoryIfNameSpaceOfDataObjectDeviatesElseOptional.add( name );
+            break;
+        case "MFscaledAV" :
+            // Element is mandatory* if any sibling elements of type AnalogueValue include 'i' as a child, otherwise forbidden.
+            // *Even though devices without floating point capability cannot exchange floating point values through ACSI services,
+            // the description of scaling remains mandatory for their (SCL) configuration
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MFscaledAV\" in PresenceCondition" );
+            if( mandatoryIfAnalogValueIncludesIElseForbidden == null ) mandatoryIfAnalogValueIncludesIElseForbidden = new HashSet<>();
+            mandatoryIfAnalogValueIncludesIElseForbidden.add( name );
+            break;
+        case "MFscaledMagV" :
+            // Element is mandatory* if any sibling elements of type Vector include 'i' as a child of their 'mag' attribute, otherwise forbidden.
+            // *See MFscaledAV
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MFscaledMagV\" in PresenceCondition" );
+            if( mandatoryIfVectorSiblingIncludesIAsChildMagElseForbidden == null ) mandatoryIfVectorSiblingIncludesIAsChildMagElseForbidden = new HashSet<>();
+            mandatoryIfVectorSiblingIncludesIAsChildMagElseForbidden.add( name );
+            break;
+        case "MFscaledAngV" :
+            // Element is mandatory* if any sibling elements of type Vector include 'i' as a child of their 'ang' attribute, otherwise forbidden.
+            // *See MFscaledAV
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MFscaledAngV\" in PresenceCondition" );
+            if( mandatoryIfVectorSiblingIncludesIAsChildAngElseForbidden == null ) mandatoryIfVectorSiblingIncludesIAsChildAngElseForbidden = new HashSet<>();
+            mandatoryIfVectorSiblingIncludesIAsChildAngElseForbidden.add( name );
+            break;
+        case "MOrms" :
+            // Element is mandatory if the harmonic values in the context are calculated as a ratio to RMS value
+            // (value of data attribute 'hvRef' is 'rms'), optional otherwise
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOrms\" in PresenceCondition" );
+            if( mandatoryIfHarmonicValuesCalculatedAsRatioElseOptional == null ) mandatoryIfHarmonicValuesCalculatedAsRatioElseOptional = new HashSet<>();
+            mandatoryIfHarmonicValuesCalculatedAsRatioElseOptional.add( name );
+            break;
+        case "MOrootLD" :
+            // Element is mandatory in the context of a root logical device; otherwise it is optional
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOrootLD\" in PresenceCondition" );
+            if( mandatoryInRootLogicalDeviceElseOptional == null ) mandatoryInRootLogicalDeviceElseOptional = new HashSet<>();
+            mandatoryInRootLogicalDeviceElseOptional.add( name );
+            break;
+        case "MOoperTm" :
+            // Element is mandatory if at least one controlled object on the IED supports time activation service; otherwise it is optional
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOoperTm\" in PresenceCondition" );
+            if( mandatoryIfControlSupportsTimeElseOptional == null ) mandatoryIfControlSupportsTimeElseOptional = new HashSet<>();
+            mandatoryIfControlSupportsTimeElseOptional.add( name );
+            break;
+        case "MmultiF" :
+            // Parameter sibling: sibling element name.
+            // One or more elements must be present if sibling element is present, otherwise forbidden
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MmultiF\" in PresenceCondition" );
+            if( oneOrMoreIfSiblingPresentElseForbidden == null ) oneOrMoreIfSiblingPresentElseForbidden = new HashMap<>();
+            oneOrMoreIfSiblingPresentElseForbidden.put( name, presCondArgs );
+            break;
+        case "MOsbo" :
+            // Element is mandatory if declared control model supports 'sbo-with-normal-security' or 'sbo-with-enhanced-security',
+            // otherwise optional and value is of no impact
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOsbo\" in PresenceCondition" );
+            if( mandatoryIfControlSupportsSecurity1ElseOptional == null ) mandatoryIfControlSupportsSecurity1ElseOptional = new HashSet<>();
+            mandatoryIfControlSupportsSecurity1ElseOptional.add( name );
+            break;
+        case "MOenhanced" :
+            // Element is mandatory if declared control model supports 'direct-with-enhanced-security' or 'sbo-with-enhanced-security',
+            // otherwise optional and value is of no impact
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MOenhanced\" in PresenceCondition" );
+            if( mandatoryIfControlSupportsSecurity2ElseOptional == null ) mandatoryIfControlSupportsSecurity2ElseOptional = new HashSet<>();
+            mandatoryIfControlSupportsSecurity2ElseOptional.add( name );
+            break;
+        case "MONamPlt" :
+            // Element is mandatory if the name space of its logical node deviates from the name space of the containing
+            // logical device, otherwise optional. See IEC 61850-7-1 for use of name space
+            // TODO: same as "MOlnNs" ?
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MONamPlt\" in PresenceCondition" );
+            if( mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional2 == null ) mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional2 = new HashSet<>();
+            mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional2.add( name );
+            break;
+        case "OF" :
+            // Parameter sibling: sibling element name.
+            // Optional if sibling element is present, otherwise forbidden
+            if( optionalIfSiblingPresentElseForbidden == null ) optionalIfSiblingPresentElseForbidden = new HashMap<>();
+            optionalIfSiblingPresentElseForbidden.put( name, presCondArgs );
+            break;
+        case "MORange" :
+            // Element is mandatory if the measured value associated (amplitude respectively angle) exposes the range eventing
+            // (with the attribute range respectively rangeAng)
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"MORange\" in PresenceCondition" );
+            if( mandatoryIfMeasuredValueExposesRange == null ) mandatoryIfMeasuredValueExposesRange = new HashSet<>();
+            mandatoryIfMeasuredValueExposesRange.add( name );
+            break;
+        case "OMSynPh" :
+            // This attribute is optional if value of 'phsRef'' is Synchrophasor otherwise Mandatory]]></Doc>
+            console.warning( "[NSD setup] NOT IMPLEMENTED: SubDataAttribute " + name + " declared as \"OMSynPh\" in PresenceCondition" );
+            if( optionalIfPhsRefIsSynchrophasorElseMandatory == null ) optionalIfPhsRefIsSynchrophasorElseMandatory = new HashSet<>();
+            optionalIfPhsRefIsSynchrophasorElseMandatory.add( name );
+            break;
+        default:
+            console.warning( "[NSD setup] the PresenceCondition " + presCond + " of AnyLNClass " + name + " is unknown" );
+            break;
+        }
+        
+    }
+    
+    private void checkSpecification() {
+        // TODO: do we have to check the presence of the sibling in inherited AbstractLNClass ?
+        if( mandatoryIfSiblingPresentElseForbidden != null ) {
+            for( Entry< String, String > e : mandatoryIfSiblingPresentElseForbidden.entrySet() ) {
+                if( ! presentBDA.containsKey( e.getValue() )) {
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of SubDataAttribute " + e.getKey() + " is unknown" );
+                }
+            }
+        }
+        if( mandatoryIfSiblingPresentElseOptional != null ) {
+            for( Entry< String, String > e : mandatoryIfSiblingPresentElseOptional.entrySet() ) {
+                if( ! presentBDA.containsKey( e.getValue() )) {
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of SubDataAttribute " + e.getKey() + " is unknown" );
+                }
+            }
+        }
+        if( optionalIfSiblingPresentElseMandatory != null ) {
+            for( Entry< String, String > e : optionalIfSiblingPresentElseMandatory.entrySet() ) {
+                if( ! presentBDA.containsKey( e.getValue() )) {
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of SubDataAttribute " + e.getKey() + " is unknown" );
+                }
+            }
+        }
+        if( forbiddenIfSiblingPresentElseMandatory != null ) {
+            for( Entry< String, String > e : forbiddenIfSiblingPresentElseMandatory.entrySet() ) {
+                if( ! presentBDA.containsKey( e.getValue() )) {
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of SubDataAttribute " + e.getKey() + " is unknown" );
+                }
+            }
+        }
+        if( oneOrMoreIfSiblingPresentElseForbidden != null ) {
+            for( Entry< String, String > e : oneOrMoreIfSiblingPresentElseForbidden.entrySet() ) {
+                if( ! presentBDA.containsKey( e.getValue() )) {
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of SubDataAttribute " + e.getKey() + " is unknown" );
+                }
+            }
+        }
+        if( optionalIfSiblingPresentElseForbidden != null ) {
+            for( Entry< String, String > e : optionalIfSiblingPresentElseForbidden.entrySet() ) {
+                if( ! presentBDA.containsKey( e.getValue() )) {
+                    console.warning( "[NSD setup] the sibling of " + e.getKey() + " in PresenceCondition of SubDataAttribute " + e.getKey() + " is unknown" );
+                }
+            }
+        }
+    }
+
+    public boolean addBDA( BDA bda, DiagnosticChain diagnostics ) {
+        if( ! presentBDA.containsKey( bda.getName() )) {
+            diagnostics.add( new BasicDiagnostic(
+                    Diagnostic.ERROR,
+                    RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                    0,
+                    "[NSD validation] BDA" + bda.getName() + " (line " + bda.getLineNumber() + ") not found in ConstructedAttribute " + constructedAttribute.getName(),
+                    new Object[] { bda } ));
+            return false;
+        }
+
+        if( presentBDA.get( bda.getName() ) != null ) {
+            diagnostics.add( new BasicDiagnostic(
+                    Diagnostic.ERROR,
+                    RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                    0,
+                    "[NSD validation] BDA" + bda.getName() + " (line " + bda.getLineNumber() + ") already present in ConstructedAttribute " + constructedAttribute.getName(),
+                    new Object[] { bda } ));
+            return false;
+        }
+        presentBDA.put( bda.getName(), bda );
+        return true;
+    }
+    
+    public boolean validate( DAType daType, DiagnosticChain diagnostics ) {
+        AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] DataAttributePresenceConditionValidator.validate(id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+
+        boolean res = true;
+        
+        // presCond: "M"
+        // Element is mandatory
+        // Usage in standard NSD files (version 2007B): DataObject and DataAttribute and SubDataAttribute
+        if( mandatory != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"M\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( String name : this.mandatory ) {
+                if( presentBDA.get( name ) == null ) {
+                  diagnostics.add( new BasicDiagnostic(
+                          Diagnostic.ERROR,
+                          RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                          0,
+                          "[NSD validation] BDA" + name + " is mandatory in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                          new Object[] { daType } ));
+                  res = false;
+                }
+            }
+        }
+
+        // presCond: "O"
+        // Element is optional
+        // Usage in standard NSD files (version 2007B): DataObject and DataAttribute and SubDataAttribute
+        if( optional != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"O\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( String name : this.optional ) {
+                if( presentBDA.get( name ) == null ) {
+                    // Nothing
+                }
+            }
+        }
+
+        // presCond: "F"
+        // Element is forbidden
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( forbidden != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"F\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( String name : this.forbidden ) {
+                if( presentBDA.get( name ) != null ) {
+                  diagnostics.add( new BasicDiagnostic(
+                          Diagnostic.ERROR,
+                          RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                          0,
+                          "[NSD validation] BDA" + name + " is forbidden in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                          new Object[] { daType } ));
+                  res = false;
+                }
+            }
+        }
+
+        // presCond: "na"
+        // Element is not applicable
+        // Usage in standard NSD files (version 2007B): only for dsPresCond
+        // -> TODO: what does it mean ? what do we have to check ?
+        if( notApplicable != null ) {
+            for( String name : notApplicable ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"na\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+        
+        // presCond: "Mmulti"
+        // At least one element shall be present; all instances have an instance number > 0
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( mandatoryMulti != null ) {
+            for( String name : mandatoryMulti ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"Mmulti\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "Omulti"
+        // Zero or more elements may be present; all instances have an instance number > 0
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( optionalMulti != null ) {
+            for( String name : optionalMulti ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"Omulti\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+        
+        // presCond: "AtLeastOne"
+        // Parameter n: group number (> 0).
+        // At least one of marked elements of a group n shall be present
+        // Usage in standard NSD files (version 2007B): DataObject and SubDataObject and DataAttribute and SubDataAttribute
+        if( atLeastOne != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"AtLeastOne\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< Integer, HashSet< String > > e1 : atLeastOne.entrySet() ) {
+                boolean groupOK = false;
+                for( String member : e1.getValue() ) {
+                    if( presentBDA.get( member ) != null ) {
+                        groupOK = true;
+                        break;
+                    }
+                }
+                if( ! groupOK ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.ERROR,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] group " + e1.getKey() + " has no elements in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                    res = false;
+                }
+            }
+        }
+        
+        // presCond: "AtMostOne" :
+        // At most one of marked elements shall be present
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( atMostOne != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"AtMostOne\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            int count = 0;
+            for( String s : atMostOne ) {
+                if( presentBDA.get( s ) != null ) {
+                    ++count;
+                }
+            }
+            if( count > 1 ) {
+                diagnostics.add( new BasicDiagnostic(
+                        Diagnostic.ERROR,
+                        RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                        0,
+                        "[NSD validation] LNodeType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName() + " has more than one element marked AtMostOne",
+                        new Object[] { daType } ));
+                res = false;
+            }
+        }
+        
+        // presCond: "AllOrNonePerGroup" :
+        // Parameter n: group number (> 0).
+        // All or none of the elements of a group n shall be present
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        if( allOrNonePerGroup != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"AllOrNonePerGroup\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< Integer, HashSet< String > > e1 : allOrNonePerGroup.entrySet() ) {
+                int groupCount = 0;
+                for( String member : e1.getValue() ) {
+                    if( presentBDA.get( member ) != null ) {
+                        ++groupCount;
+                    }
+                }
+                if(( groupCount > 0 ) && (groupCount < e1.getValue().size() )) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.ERROR,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] group " + e1.getKey() + " has neither none nor all elements in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                    res = false;
+                }
+            }
+        }
+        
+        // presCond: "AllOnlyOneGroup" :
+        // Parameter n: group number (> 0).
+        // All elements of only one group n shall be present
+        // Usage in standard NSD files (version 2007B): DataObject and SubDataAttribute
+        if( allOnlyOneGroup != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"AllOnlyOneGroup\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            int groupNumber = 0;
+            for( Entry< Integer, HashSet< String > > e1 : allOnlyOneGroup.entrySet() ) {
+                int groupCount = 0;
+                for( String member : e1.getValue() ) {
+                    if( presentBDA.get( member ) != null ) {
+                        ++groupCount;
+                    }
+                }
+                if(( groupCount > 0 ) && (groupCount < e1.getValue().size() )) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.ERROR,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] group " + e1.getKey() + " has neither none nor all elements in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                    res = false;
+                }
+                else if( groupCount > 0 ) {
+                    if( groupNumber == 0 ) {
+                        groupNumber = e1.getKey();
+                    }
+                    else {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] LNodeType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName() + " has several groups with all elements",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+            }
+            if( groupNumber == 0 ) {
+                diagnostics.add( new BasicDiagnostic(
+                        Diagnostic.ERROR,
+                        RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                        0,
+                        "[NSD validation] no group in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName() + " has all elements",
+                        new Object[] { daType } ));
+                res = false;
+            }
+        }
+        
+        // presCond: "AllAtLeastOneGroup" :
+        // Parameter n: group number (> 0).
+        // All elements of at least one group n shall be present
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        if( allAtLeastOneGroup != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"AllAtLeastOneGroup\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            int groupNumber = 0;
+            for( Entry< Integer, HashSet< String > > e1 : allAtLeastOneGroup.entrySet() ) {
+                int groupCount = 0;
+                for( String member : e1.getValue() ) {
+                    if( presentBDA.get( member ) != null ) {
+                        ++groupCount;
+                    }
+                }
+                if( groupCount == e1.getValue().size() ) {
+                    groupNumber = e1.getKey();
+                }
+            }
+            if( groupNumber == 0 ) {
+                diagnostics.add( new BasicDiagnostic(
+                        Diagnostic.ERROR,
+                        RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                        0,
+                        "[NSD validation] no group in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName() + " has all elements",
+                        new Object[] { daType } ));
+                res = false;
+            }
+        }
+        
+        // presCond: "MF" :
+        // Parameter sibling: sibling element name.
+        // Mandatory if sibling element is present, otherwise forbidden
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( mandatoryIfSiblingPresentElseForbidden != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"MF\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : mandatoryIfSiblingPresentElseForbidden.entrySet() ) {
+                if( presentBDA.get( entry.getValue() ) != null ) {
+                    if( presentBDA.get( entry.getKey() ) == null ) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] BDA" + entry.getKey() + " is mandatory in DAType (line " + daType.getLineNumber() + ") with LNClass "
+                                        + constructedAttribute.getName() + " because sibling " + entry.getValue() + " is present",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+                else {
+                    if( presentBDA.get( entry.getKey() ) != null ) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] BDA" + entry.getKey() + " is forbidden in DAType (line " + daType.getLineNumber() + ") with LNClass "
+                                        + constructedAttribute.getName() + " because sibling " + entry.getValue() + " is not present",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+            }
+        }
+        
+        // presCond: "MO" :
+        // Parameter sibling: sibling element name.
+        // Mandatory if sibling element is present, otherwise optional
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        if( mandatoryIfSiblingPresentElseOptional != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"MO\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : mandatoryIfSiblingPresentElseOptional.entrySet() ) {
+                if( presentBDA.get( entry.getValue() ) != null ) {
+                    if( presentBDA.get( entry.getKey() ) == null ) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] BDA" + entry.getKey() + " is mandatory in DAType (line " + daType.getLineNumber() + ") with LNClass "
+                                        + constructedAttribute.getName() + " because sibling " + entry.getValue() + " is present",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+            }
+        }
+        
+        // presCond: "OM" :
+        // Parameter sibling: sibling element name.
+        // Optional if sibling element is present, otherwise mandatory
+        // Usage in standard NSD files (version 2007B): None
+        if( optionalIfSiblingPresentElseMandatory != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"OM\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : optionalIfSiblingPresentElseMandatory.entrySet() ) {
+                if( presentBDA.get( entry.getValue() ) == null ) {
+                    if( presentBDA.get( entry.getKey() ) == null ) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] BDA" + entry.getKey() + " is mandatory in DAType (line " + daType.getLineNumber() + ") with LNClass "
+                                        + constructedAttribute.getName() + " because sibling " + entry.getValue() + " is not present",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+            }
+        }
+        
+        // presCond: "FM" :
+        // Parameter sibling: sibling element name.
+        // Forbidden if sibling element is present, otherwise mandatory
+        // Usage in standard NSD files (version 2007B): None
+        if( forbiddenIfSiblingPresentElseMandatory != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"FM\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : forbiddenIfSiblingPresentElseMandatory.entrySet() ) {
+                if( presentBDA.get( entry.getValue() ) != null ) {
+                    if( presentBDA.get( entry.getKey() ) != null ) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] BDA" + entry.getKey() + " is forbidden in DAType (line " + daType.getLineNumber() + ") with LNClass "
+                                        + constructedAttribute.getName() + " because sibling " + entry.getValue() + " is present",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+                else {
+                    if( presentBDA.get( entry.getKey() ) == null ) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] BDA" + entry.getKey() + " is mandatory in DAType (line " + daType.getLineNumber() + ") with LNClass "
+                                        + constructedAttribute.getName() + " because sibling " + entry.getValue() + " is not present",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+            }
+        }
+        
+        // presCond: "MOcond" :
+        // Parameter condID: condition number (> 0).
+        // Textual presence condition (non-machine processable) with reference condID to context specific text.
+        // If satisfied, the element is mandatory, otherwise optional
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( mandatoryIfTextConditionElseOptional != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"MOcond\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : mandatoryIfTextConditionElseOptional.entrySet() ) {
+                String doc = constructedAttribute
+                        .getSubDataAttribute()
+                        .stream()
+                        .filter( d -> d.getName().equals( entry.getKey() ))
+                        .findFirst()
+                        .map( x -> x.getRefersToPresCondArgsDoc() )
+                        .map( p -> p.getMixed() )
+                        .map( p -> p.get( 0 ) )
+                        .map( p -> p.getValue() )
+                        .map( p -> p.toString() )
+                        .orElse( null );
+
+                diagnostics.add( new BasicDiagnostic(
+                        Diagnostic.WARNING,
+                        RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                        0,
+                        "[NSD validation] BDA" + entry.getKey() + " is mandatory in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute "
+                                + constructedAttribute.getName() + " if textual condition number " + entry.getValue() + " (not evaluated) is true, else optional. It is "
+                                + ( presentBDA.get( entry.getKey() ) == null ? "absent." : "present." ) + ( doc != null ? " Textual condition is: \"" + doc + "\"." : "" ),
+                        new Object[] { daType } ));
+            }
+        }
+        
+        // presCond: "MFcond" :
+        // Parameter condID: condition number (> 0).
+        // Textual presence condition (non-machine processable) with reference condID to context specific text.
+        // If satisfied, the element is mandatory, otherwise forbidden
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( mandatoryIfTextConditionElseForbidden != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"MFcond\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : mandatoryIfTextConditionElseForbidden.entrySet() ) {
+                String doc = constructedAttribute
+                        .getSubDataAttribute()
+                        .stream()
+                        .filter( d -> d.getName().equals( entry.getKey() ))
+                        .findFirst()
+                        .map( x -> x.getRefersToPresCondArgsDoc() )
+                        .map( p -> p.getMixed() )
+                        .map( p -> p.get( 0 ) )
+                        .map( p -> p.getValue() )
+                        .map( p -> p.toString() )
+                        .orElse( null );
+
+                diagnostics.add( new BasicDiagnostic(
+                        Diagnostic.WARNING,
+                        RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                        0,
+                        "[NSD validation] BDA" + entry.getKey() + " is mandatory in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute "
+                                + constructedAttribute.getName() + " if textual condition number " + entry.getValue() + " (not evaluated) is true, else forbidden. It is " 
+                                + ( presentBDA.get( entry.getKey() ) == null ? "absent." : "present." ) + ( doc != null ? " Textual condition is: \"" + doc + "\"." : "" ),
+                        new Object[] { daType } ));
+            }
+        }
+        
+        // presCond: "OFcond" :
+        // Parameter condID: condition number (> 0).
+        // Textual presence condition (non-machine processable) with reference condID to context specific text.
+        // If satisfied, the element is optional, otherwise forbidden
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( optionalIfTextConditionElseForbidden != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"OFcond\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : optionalIfTextConditionElseForbidden.entrySet() ) {
+                String doc = constructedAttribute
+                        .getSubDataAttribute()
+                        .stream()
+                        .filter( d -> d.getName().equals( entry.getKey() ))
+                        .findFirst()
+                        .map( x -> x.getRefersToPresCondArgsDoc() )
+                        .map( p -> p.getMixed() )
+                        .map( p -> p.get( 0 ) )
+                        .map( p -> p.getValue() )
+                        .map( p -> p.toString() )
+                        .orElse( null );
+
+                diagnostics.add( new BasicDiagnostic(
+                        Diagnostic.WARNING,
+                        RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                        0,
+                        "[NSD validation] BDA" + entry.getKey() + " is optional in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute "
+                                + constructedAttribute.getName() + " if textual condition number " + entry.getValue() + " (not evaluated) is true, else forbidden. It is " 
+                                + ( presentBDA.get( entry.getKey() ) == null ? "absent." : "present." ) + ( doc != null ? " Textual condition is: \"" + doc + "\"." : "" ),
+                        new Object[] { daType } ));
+            }
+        }
+        
+        // presCond: "MmultiRange" :
+        // Parameters min, max: limits for instance number (> 0).
+        // One or more elements shall be present; all instances have an instance number within range [min, max] (see IEC 61850-7-1)
+        // Usage in standard NSD files (version 2007B): None
+        if( mandatoryMultiRange != null ) {
+            for( String name : mandatoryMultiRange.keySet() ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MmultiRange\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "OmultiRange" :
+        // Parameters min, max: limits for instance number (> 0).
+        // Zero or more elements may be present; all instances have an instance number within range [min, max] (see IEC 61850-7-1)
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( optionalMultiRange != null ) {
+            for( String name : optionalMultiRange.keySet() ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"OmultiRange\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MFsubst" :
+        // Element is mandatory if substitution is supported (for substitution, see IEC 61850-7-3), otherwise forbidden
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfSubstitutionElseForbidden != null ) {
+            for( String name : mandatoryIfSubstitutionElseForbidden ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MFsubst\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+        
+        // presCond: "MOln0" :
+        // Element is mandatory in the context of LLN0; otherwise optional
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        if( mandatoryInLLN0ElseOptional != null ) {
+            for( String name : mandatoryInLLN0ElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOln0\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+        
+        // presCond: "MFln0" :
+        // Element is mandatory in the context of LLN0; otherwise forbidden
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        if( mandatoryInLLN0ElseForbidden != null ) {
+            for( String name : mandatoryInLLN0ElseForbidden ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MFln0\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MOlnNs" :
+        // Element is mandatory if the name space of its logical node deviates from the name space of the containing
+        // logical device, otherwise optional. See IEC 61850-7-1 for use of name space
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO: The meaning is not clear.
+        if( mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional != null ) {
+            for( String name : mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOlnNs\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MOdataNs" :
+        // Element is mandatory if the name space of its data object deviates from the name space of its logical node,
+        // otherwise optional. See IEC 61850-7-1 for use of name space
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO: The meaning is not clear.
+        if( mandatoryIfNameSpaceOfDataObjectDeviatesElseOptional != null ) {
+            for( String name : mandatoryIfNameSpaceOfDataObjectDeviatesElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOdataNs\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MFscaledAV" :
+        // Element is mandatory* if any sibling elements of type AnalogueValue include 'i' as a child, otherwise forbidden.
+        // *Even though devices without floating point capability cannot exchange floating point values through ACSI services,
+        // the description of scaling remains mandatory for their (SCL) configuration
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfAnalogValueIncludesIElseForbidden != null ) {
+            for( String name : mandatoryIfAnalogValueIncludesIElseForbidden ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MFscaledAV\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MFscaledMagV" :
+        // Element is mandatory* if any sibling elements of type Vector include 'i' as a child of their 'mag' attribute, otherwise forbidden.
+        // *See MFscaledAV
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfVectorSiblingIncludesIAsChildMagElseForbidden != null ) {
+            for( String name : mandatoryIfVectorSiblingIncludesIAsChildMagElseForbidden ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MFscaledMagV\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MFscaledAngV" :
+        // Element is mandatory* if any sibling elements of type Vector include 'i' as a child of their 'ang' attribute, otherwise forbidden.
+        // *See MFscaledAV
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfVectorSiblingIncludesIAsChildAngElseForbidden != null ) {
+            for( String name : mandatoryIfVectorSiblingIncludesIAsChildAngElseForbidden ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MFscaledAngV\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MOrms" :
+        // Element is mandatory if the harmonic values in the context are calculated as a ratio to RMS value
+        // (value of data attribute 'hvRef' is 'rms'), optional otherwise
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfHarmonicValuesCalculatedAsRatioElseOptional != null ) {
+            for( String name : mandatoryIfHarmonicValuesCalculatedAsRatioElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOrms\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MOrootLD" :
+        // Element is mandatory in the context of a root logical device; otherwise it is optional
+        // Usage in standard NSD files (version 2007B): DataObject
+        if( mandatoryInRootLogicalDeviceElseOptional != null ) {
+            for( String name : mandatoryInRootLogicalDeviceElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOrootLD\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MOoperTm" :
+        // Element is mandatory if at least one controlled object on the IED supports time activation service; otherwise it is optional
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfControlSupportsTimeElseOptional != null ) {
+            for( String name : mandatoryIfControlSupportsTimeElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOoperTm\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MmultiF" :
+        // Parameter sibling: sibling element name.
+        // One or more elements must be present if sibling element is present, otherwise forbidden
+        // Usage in standard NSD files (version 2007B): DataObject
+        // TODO: One or more elements ? Is there an instance number ?
+        if( oneOrMoreIfSiblingPresentElseForbidden != null ) {
+            for( String name : oneOrMoreIfSiblingPresentElseForbidden.keySet() ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MmultiF\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MOsbo" :
+        // Element is mandatory if declared control model supports 'sbo-with-normal-security' or 'sbo-with-enhanced-security',
+        // otherwise optional and value is of no impact
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfControlSupportsSecurity1ElseOptional != null ) {
+            for( String name : mandatoryIfControlSupportsSecurity1ElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOsbo\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MOenhanced" :
+        // Element is mandatory if declared control model supports 'direct-with-enhanced-security' or 'sbo-with-enhanced-security',
+        // otherwise optional and value is of no impact
+        // Usage in standard NSD files (version 2007B): DataAttribute
+        // TODO
+        if( mandatoryIfControlSupportsSecurity2ElseOptional != null ) {
+            for( String name : mandatoryIfControlSupportsSecurity2ElseOptional ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MOenhanced\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "MONamPlt" :
+        // Element is mandatory if the name space of its logical node deviates from the name space of the containing
+        // logical device, otherwise optional. See IEC 61850-7-1 for use of name space
+        // Usage in standard NSD files (version 2007B): DataObject
+        // TODO: same as "MOlnNs" ?
+        if( mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional2 != null ) {
+            for( String name : mandatoryIfNameSpaceOfLogicalNodeDeviatesElseOptional2 ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MONamPlt\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "OF" :
+        // Parameter sibling: sibling element name.
+        // Optional if sibling element is present, otherwise forbidden
+        // Usage in standard NSD files (version 2007B): DataObject and DataAttribute
+        if( optionalIfSiblingPresentElseForbidden != null ) {
+            AbstractRiseClipseConsole.getConsole().verbose( "[NSD validation] validation of presence condition \"OF\" on DAType (id=" + daType.getId() + ") at line " + daType.getLineNumber() );
+            for( Entry< String, String > entry : optionalIfSiblingPresentElseForbidden.entrySet() ) {
+                if( presentBDA.get( entry.getValue() ) == null ) {
+                    if( presentBDA.get( entry.getKey() ) != null ) {
+                        diagnostics.add( new BasicDiagnostic(
+                                Diagnostic.ERROR,
+                                RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                                0,
+                                "[NSD validation] BDA" + entry.getKey() + " is forbidden in DAType (line " + daType.getLineNumber() + ") with LNClass "
+                                        + constructedAttribute.getName() + " because sibling " + entry.getValue() + " is not present",
+                                new Object[] { daType } ));
+                        res = false;
+                    }
+                }
+            }
+        }
+
+        // presCond: "MORange" :
+        // Element is mandatory if the measured value associated (amplitude respectively angle) exposes the range eventing
+        // (with the attribute range respectively rangeAng)
+        // Usage in standard NSD files (version 2007B): SubDataAttribute
+        // TODO
+        if( mandatoryIfMeasuredValueExposesRange != null ) {
+            for( String name : mandatoryIfMeasuredValueExposesRange ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"MORange\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        // presCond: "OMSynPh" :
+        // This attribute is optional if value of 'phsRef'' is Synchrophasor otherwise Mandatory]]></Doc>
+        // Usage in standard NSD files (version 2007B): SubDataObject
+        // TODO
+        if( optionalIfPhsRefIsSynchrophasorElseMandatory != null ) {
+            for( String name : optionalIfPhsRefIsSynchrophasorElseMandatory ) {
+                if( presentBDA.get( name ) != null ) {
+                    diagnostics.add( new BasicDiagnostic(
+                            Diagnostic.WARNING,
+                            RiseClipseValidatorSCL.DIAGNOSTIC_SOURCE,
+                            0,
+                            "[NSD validation] verification of PresenceCondition \"OMSynPh\" for DA " + name + " is not implemented in DAType (line " + daType.getLineNumber() + ") with ConstructedAttribute " + constructedAttribute.getName(),
+                            new Object[] { daType } ));
+                }
+            }
+        }
+
+        return res;
+    }
+
+}
diff --git a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/TypeValidator.java b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/TypeValidator.java
index a74944fd5b28d132f45b1ff253a45a8dbf3f4282..4f22c62cafab0937d9a7e84a10881d23b4cc7dc0 100644
--- a/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/TypeValidator.java
+++ b/fr.centralesupelec.edf.riseclipse.iec61850.scl.tools/src/fr/centralesupelec/edf/riseclipse/iec61850/scl/validator/nsd/TypeValidator.java
@@ -26,7 +26,7 @@ import org.eclipse.emf.common.util.DiagnosticChain;
 import fr.centralesupelec.edf.riseclipse.iec61850.nsd.BasicType;
 import fr.centralesupelec.edf.riseclipse.iec61850.nsd.ConstructedAttribute;
 import fr.centralesupelec.edf.riseclipse.iec61850.nsd.Enumeration;
-import fr.centralesupelec.edf.riseclipse.iec61850.scl.DA;
+import fr.centralesupelec.edf.riseclipse.iec61850.scl.AbstractDataAttribute;
 
 public abstract class TypeValidator {
 
@@ -39,9 +39,13 @@ public abstract class TypeValidator {
     public static void buildValidators( Stream< BasicType > basicTypeStream, Stream< Enumeration > enumerationStream, Stream< ConstructedAttribute > constructedAttributeStream ) {
         basicTypeStream
         .forEach( basicType -> validators.put( basicType.getName(), BasicTypeValidator.get( basicType )));
+        
         enumerationStream
         .forEach( enumeration -> validators.put( enumeration.getName(), new EnumerationValidator( enumeration )));
+        
+        constructedAttributeStream
+        .forEach( contructedAttribute -> validators.put( contructedAttribute.getName(), new ConstructedAttributeValidator( contructedAttribute )));
     }
 
-    public abstract boolean validateDA( DA da, DiagnosticChain diagnostics );
+    public abstract boolean validateAbstractDataAttribute( AbstractDataAttribute ada, DiagnosticChain diagnostics );
 }