diff --git a/VERAG_PROG_ALLGEMEIN/Schnittstellen/ATEZ/RELAYHUB/cRelayHub.vb b/VERAG_PROG_ALLGEMEIN/Schnittstellen/ATEZ/RELAYHUB/cRelayHub.vb
index b95b0000..cf731e27 100644
--- a/VERAG_PROG_ALLGEMEIN/Schnittstellen/ATEZ/RELAYHUB/cRelayHub.vb
+++ b/VERAG_PROG_ALLGEMEIN/Schnittstellen/ATEZ/RELAYHUB/cRelayHub.vb
@@ -83,6 +83,7 @@ Public Class cRelayHub
 
     Public Class cRelayHubAdditionalSettings
         Public Property combineOptions As List(Of String)
+        Public Property combineItemsPriorityDocumentType As String
     End Class
 
     Public Class cRelayHubJobOrderRequest
@@ -292,18 +293,29 @@ Public Class cRelayHub
 
             ' AdditionalSettings -> combineOptions: nur erlaubte Keys, distinct, lower-case
             Dim allowed As New HashSet(Of String)(StringComparer.OrdinalIgnoreCase) From {
-        "description", "commodity_code", "country_of_origin", "unit_type"
-    }
+                        "description", "commodity_code", "country_of_origin", "unit_type"
+                    }
 
-            If req.additionalSettings IsNot Nothing AndAlso req.additionalSettings.combineOptions IsNot Nothing Then
-                Dim cleaned = req.additionalSettings.combineOptions.
-            Where(Function(o) Not String.IsNullOrWhiteSpace(o)).
-            Select(Function(o) o.Trim().ToLowerInvariant()).
-            Where(Function(o) allowed.Contains(o)).
-            Distinct().
-            ToList()
+            If req.additionalSettings IsNot Nothing Then
+
+                If req.additionalSettings.combineOptions IsNot Nothing Then
+                    Dim cleaned = req.additionalSettings.combineOptions.
+                Where(Function(o) Not String.IsNullOrWhiteSpace(o)).
+                Select(Function(o) o.Trim().ToLowerInvariant()).
+                Where(Function(o) allowed.Contains(o)).
+                Distinct().
+                ToList()
+
+                    req.additionalSettings.combineOptions = cleaned
+                End If
+
+                req.additionalSettings.combineItemsPriorityDocumentType =
+            If(req.additionalSettings.combineItemsPriorityDocumentType, "").Trim()
+
+                If req.additionalSettings.combineItemsPriorityDocumentType = "" Then
+                    req.additionalSettings.combineItemsPriorityDocumentType = Nothing
+                End If
 
-                req.additionalSettings.combineOptions = cleaned
             End If
 
             Return req