Index: vhUnitTest/APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/FrontOndersteuningValidator/Test.cls.xml
===================================================================
diff -u -r36239 -r38025
--- vhUnitTest/APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/FrontOndersteuningValidator/Test.cls.xml	(.../Test.cls.xml)	(revision 36239)
+++ vhUnitTest/APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/FrontOndersteuningValidator/Test.cls.xml	(.../Test.cls.xml)	(revision 38025)
@@ -3,7 +3,7 @@
 <Class name="vhUnitTest.APPS.EDI.Bestel.impl.BestelService.TandemboxBesteller.Validator.FrontOndersteuningValidator.Test">
 <Super>vhUnitTest.TestCase</Super>
 
-<Method name="Test: Klasse en aantal juist">
+<Method name="Test: Lade ok en aantal kleiner of gelijk aan 3 -&gt; True">
 <Implementation><![CDATA[
 	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
 	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Lade()
@@ -15,7 +15,7 @@
 ]]></Implementation>
 </Method>
 
-<Method name="Test: Klasse ok en aantal leeg">
+<Method name="Test: Lade en aantal leeg -&gt; True">
 <Implementation><![CDATA[
 	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
 	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Lade()
@@ -27,10 +27,9 @@
 ]]></Implementation>
 </Method>
 
-<Method name="Test: Klasse ok en aantal te groot">
+<Method name="Test: aantal groter dan 3 -&gt; False">
 <Implementation><![CDATA[
 	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
-	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Lade()
 	Set Product.FrontOndersteuningAantal = "42"
 	Set Exceptions = ##class(TECH.ExceptionList).%New()
 	Set Validator = ##class(APPS.EDI.Bestel.impl.BestelService.TandemboxBesteller.Validator.FrontOndersteuningValidator).%New()
@@ -39,7 +38,7 @@
 ]]></Implementation>
 </Method>
 
-<Method name="Test: Klasse fout en aantal juist">
+<Method name="Test: Spoelbak en wel frontstabilisatie -&gt; False">
 <Implementation><![CDATA[
 	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
 	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Spoelbak()
@@ -51,29 +50,41 @@
 ]]></Implementation>
 </Method>
 
-<Method name="Test: Klasse fout en aantal leeg">
+<Method name="Test: Spoelbak en geen frontstabilisatie -&gt; True">
 <Implementation><![CDATA[
 	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
 	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Spoelbak()
 	Set Product.FrontOndersteuningAantal = ""
 	Set Exceptions = ##class(TECH.ExceptionList).%New()
 	Set Validator = ##class(APPS.EDI.Bestel.impl.BestelService.TandemboxBesteller.Validator.FrontOndersteuningValidator).%New()
 	
-	Do $$$AssertFalse(Validator.IsValid(Product, .Exceptions))
+	Do $$$AssertTrue(Validator.IsValid(Product, .Exceptions))
 ]]></Implementation>
 </Method>
 
-<Method name="Test: Klasse fout en aantal te groot">
+<Method name="Test: Sifon en wel frontstabilisatie -&gt; False">
 <Implementation><![CDATA[
 	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
-	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Spoelbak()
-	Set Product.FrontOndersteuningAantal = "42"
+	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Sifon()
+	Set Product.FrontOndersteuningAantal = "1"
 	Set Exceptions = ##class(TECH.ExceptionList).%New()
 	Set Validator = ##class(APPS.EDI.Bestel.impl.BestelService.TandemboxBesteller.Validator.FrontOndersteuningValidator).%New()
 	
 	Do $$$AssertFalse(Validator.IsValid(Product, .Exceptions))
 ]]></Implementation>
 </Method>
+
+<Method name="Test: Sifon en geen frontstabilisatie -&gt; True">
+<Implementation><![CDATA[
+	#dim Product As APPS.EDI.common.dto.v001.LadeTBX = ##class(APPS.EDI.common.dto.v001.LadeTBX).%New()
+	Set Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Sifon()
+	Set Product.FrontOndersteuningAantal = ""
+	Set Exceptions = ##class(TECH.ExceptionList).%New()
+	Set Validator = ##class(APPS.EDI.Bestel.impl.BestelService.TandemboxBesteller.Validator.FrontOndersteuningValidator).%New()
+	
+	Do $$$AssertTrue(Validator.IsValid(Product, .Exceptions))
+]]></Implementation>
+</Method>
 </Class>
 
 
Index: APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/FrontOndersteuningValidator.cls.xml
===================================================================
diff -u -r36238 -r38025
--- APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/FrontOndersteuningValidator.cls.xml	(.../FrontOndersteuningValidator.cls.xml)	(revision 36238)
+++ APPS/EDI/Bestel/impl/BestelService/TandemboxBesteller/Validator/FrontOndersteuningValidator.cls.xml	(.../FrontOndersteuningValidator.cls.xml)	(revision 38025)
@@ -7,7 +7,12 @@
 <FormalSpec><![CDATA[Product:APPS.EDI.common.dto.v001.LadeTBX,&Exceptions:TECH.ExceptionList]]></FormalSpec>
 <ReturnType>%Boolean</ReturnType>
 <Implementation><![CDATA[
-	If $$$Not($$$Not((Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Spoelbak()) || (Product.Klasse = ##class(DOM.PM.enu.TBXKlas).SifonTypeBlum())) && (Product.FrontOndersteuningAantal <= 3)){
+	If (Product.FrontOndersteuningAantal > 3)	{		
+		Set Exception = ##class(TECH.ObjectUtils.ObjectConverterPropertyException).%New("Input", $classname(Product), "FrontOndersteuningAantal", Product.FrontOndersteuningAantal,"","")
+		Do Exceptions.Insert(Exception)
+	}
+	
+	If ((Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Spoelbak()) || (Product.Klasse = ##class(DOM.PM.enu.TBXKlas).SifonTypeBlum()) || (Product.Klasse = ##class(DOM.PM.enu.TBXKlas).Sifon()) && (+Product.FrontOndersteuningAantal > 0)) {
 		Set Exception = ##class(TECH.ObjectUtils.ObjectConverterCombinationException).%New()
 		Do Exception.AddCombination($classname(Product),"Klasse",Product.Klasse)
 		Do Exception.AddCombination($classname(Product),"FrontOndersteuningAantal",Product.FrontOndersteuningAantal)