Index: vhTest/Mock/DOM/PARTIJ/Partij.cls.xml
===================================================================
diff -u -r33555 -r34213
--- vhTest/Mock/DOM/PARTIJ/Partij.cls.xml	(.../Partij.cls.xml)	(revision 33555)
+++ vhTest/Mock/DOM/PARTIJ/Partij.cls.xml	(.../Partij.cls.xml)	(revision 34213)
@@ -63,6 +63,12 @@
 ]]></Implementation>
 </Method>
 
+<Method name="GeefHandelRegisterNr">
+<ReturnType>%String</ReturnType>
+<Implementation><![CDATA[	quit ..VerwerkMethodCall("GeefHandelRegisterNr")
+]]></Implementation>
+</Method>
+
 <Method name="GeefID">
 <ReturnType>DOM.common.PartijID</ReturnType>
 <Implementation><![CDATA[	quit ..VerwerkMethodCall("GeefID")
Index: DOM/PARTIJ/Partij.cls.xml
===================================================================
diff -u -r33555 -r34213
--- DOM/PARTIJ/Partij.cls.xml	(.../Partij.cls.xml)	(revision 33555)
+++ DOM/PARTIJ/Partij.cls.xml	(.../Partij.cls.xml)	(revision 34213)
@@ -85,6 +85,11 @@
 <ReturnType>%String</ReturnType>
 </Method>
 
+<Method name="GeefHandelRegisterNr">
+<Abstract>1</Abstract>
+<ReturnType>%String</ReturnType>
+</Method>
+
 <Method name="GeefOpvolgingDatum">
 <Abstract>1</Abstract>
 <ReturnType>%Date</ReturnType>
Index: DOM/PARTIJ/impl/DataM/DataMKlant.cls.xml
===================================================================
diff -u -r33555 -r34213
--- DOM/PARTIJ/impl/DataM/DataMKlant.cls.xml	(.../DataMKlant.cls.xml)	(revision 33555)
+++ DOM/PARTIJ/impl/DataM/DataMKlant.cls.xml	(.../DataMKlant.cls.xml)	(revision 34213)
@@ -454,6 +454,17 @@
 ]]></Implementation>
 </Method>
 
+<Method name="GeefHandelRegisterNr">
+<ReturnType>%String</ReturnType>
+<Implementation><![CDATA[
+	if ..GeefAdres().GeefLandNr() = ##class(DOM.common.enu.Land).Belgie() {
+		quit ..GeefBTWNr()	
+	} else {
+		quit ..AlleenLezenNode1.GeefPiece(21)
+	}
+]]></Implementation>
+</Method>
+
 <Method name="ZetOpvolgingDatum">
 <FormalSpec>Datum:%Date</FormalSpec>
 <Implementation><![CDATA[	Do ..ZetPiece(51,Datum)