Index: DOM/PM/Maatwerk/Calc/Kost/SamengesteldKostItem.cls.xml
===================================================================
diff -u -r52898 -r52899
--- DOM/PM/Maatwerk/Calc/Kost/SamengesteldKostItem.cls.xml	(.../SamengesteldKostItem.cls.xml)	(revision 52898)
+++ DOM/PM/Maatwerk/Calc/Kost/SamengesteldKostItem.cls.xml	(.../SamengesteldKostItem.cls.xml)	(revision 52899)
@@ -95,6 +95,24 @@
 	Quit Kost
 ]]></Implementation>
 </Method>
+
+<Method name="GeefExtraKostVoorTaxSifonlade">
+<ReturnType>%Decimal</ReturnType>
+<Implementation><![CDATA[
+	#dim Kost As %Decimal = 0
+	#dim Iterator As TECH.Iterator = ..GeefKostItemsIterator()
+	
+	While (Iterator.HasNext()) {
+		#dim KostItem As KostItem = Iterator.Next()
+		
+		If $$$Not(KostItem.%Extends("DOM.PM.Maatwerk.Calc.Kost.ProcentueelKostItem")) {
+			Set Kost = Kost + KostItem.GeefKost()
+		}
+	}
+	
+	Quit Kost
+]]></Implementation>
+</Method>
 </Class>