diff --git a/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs b/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs
index 63f32be8..c9254fda 100644
--- a/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs
+++ b/WEBSERVICES/ZUGFeRDRESTService/Controllers/ValidationController.cs
@@ -68,7 +68,7 @@ namespace ZUGFeRDRESTService.Controllers
                 AllowXRechnung_Filename = _AllowXRechnung,
                 AllowZugferd_1_0_Schema = _AllowZugferd10,
                 AllowZugferd_2_x_Schema = _AllowZugferd2x,
-                AllowPeppol_3017_Schema = _AllowPeppolBISBill3x
+                AllowPeppol_3_x_Schema = _AllowPeppolBISBill3x
             });
             _props = new PropertyValues(_logConfig);
 
@@ -86,6 +86,12 @@ namespace ZUGFeRDRESTService.Controllers
                     Concat(_propertyMap).
                     ToDictionary(kv => kv.Key, kv => kv.Value);
 
+            if (_AllowPeppolBISBill3x == true)
+                _propertyMap = oPropertyMap.
+                    Where(kv => kv.Value.Specification == UBL_SPEC_21).
+                    Concat(_propertyMap).
+                    ToDictionary(kv => kv.Key, kv => kv.Value);
+
             _logger.Debug("Property Map filtered: [{0}] entries found.", _propertyMap.Count);
 
             _logger.Debug("Validation Controller initialized!");
@@ -374,7 +380,13 @@ namespace ZUGFeRDRESTService.Controllers
         public bool InsertPropertyMap(ValidProperty pProperty, string pMessageId)
         {
             try
-            {             
+            {
+                if (pProperty.ItemType == 3)
+                {
+                    // Wir speichern keine Attachment-Werte in die DB
+                    return true;
+                }
+
                 var oSql = $"INSERT INTO {pProperty.TableName} " +
                     "(REFERENCE_GUID, ITEM_DESCRIPTION, ITEM_VALUE, CREATEDWHO, SPEC_NAME, GROUP_COUNTER, IS_REQUIRED) VALUES " +
                     "(@REFERENCE_GUID, @ITEM_DESCRIPTION, @ITEM_VALUE, @CREATEDWHO, @SPEC_NAME, @GROUP_COUNTER, @IS_REQUIRED)";