diff --git a/server/AyaNova/biz/UnitModelBiz.cs b/server/AyaNova/biz/UnitModelBiz.cs
index f1917e4e..9483e892 100644
--- a/server/AyaNova/biz/UnitModelBiz.cs
+++ b/server/AyaNova/biz/UnitModelBiz.cs
@@ -243,11 +243,21 @@ namespace AyaNova.Biz
 
             //## Name is not required nor required to be unique for a UnitModel so no validation for that here
             //number is required but also not necessarily unique as two manufacturers could have the same model number for different products
+            //However, a number and vendorid combo must be unique as it's considered that the same vendor would not have two models with identical numbers
 
             //Number required
-            if (string.IsNullOrWhiteSpace(proposedObj.Name))
+            if (string.IsNullOrWhiteSpace(proposedObj.Number))
+            {
                 AddError(ApiErrorCode.VALIDATION_REQUIRED, "Number");
+                return;//this is disqualifying outright so no need to check further rules
+            }
 
+            //If Number is otherwise OK, check CONSTRAINT UNQ_UnitModelNumberVendorId UNIQUE (number, vendorid)
+            if (await ct.UnitModel.AnyAsync(m => m.Number == proposedObj.Number && m.VendorId == proposedObj.VendorId && m.Id != proposedObj.Id))
+            {
+                AddError(ApiErrorCode.VALIDATION_NOT_UNIQUE, "Number", "Model number + Vendor must be unique");
+                return;//this is disqualifying outright so no need to check further rules
+            }
 
             //Any form customizations to validate?
             var FormCustomization = await ct.FormCustom.AsNoTracking().SingleOrDefaultAsync(z => z.FormKey == AyaType.UnitModel.ToString());
diff --git a/server/AyaNova/resource/de.json b/server/AyaNova/resource/de.json
index ea792fcb..107ca1aa 100644
--- a/server/AyaNova/resource/de.json
+++ b/server/AyaNova/resource/de.json
@@ -108,8 +108,8 @@
   "CustomerServiceRequestPriorityNotUrgent": "Nicht dringlich",
   "CustomerServiceRequestStatusAccepted": "Akzeptiert",
   "CustomerServiceRequestStatusClosed": "Geschlossen",
-  "CustomerServiceRequestStatusDeclined": "Declined",
-  "CustomerServiceRequestStatusOpen": "Open",
+  "CustomerServiceRequestStatusDeclined": "Abgelehnt",
+  "CustomerServiceRequestStatusOpen": "Öffnen",
   "CustomerServiceRequestCustom1": "Angepasstes Feld 1",
   "CustomerServiceRequestCustom2": "Angepasstes Feld 2",
   "CustomerServiceRequestCustom3": "Angepasstes Feld 3",
diff --git a/server/AyaNova/resource/en.json b/server/AyaNova/resource/en.json
index dd908f4d..d674115a 100644
--- a/server/AyaNova/resource/en.json
+++ b/server/AyaNova/resource/en.json
@@ -108,7 +108,7 @@
   "CustomerServiceRequestPriorityNotUrgent": "Not urgent",
   "CustomerServiceRequestStatusAccepted": "Accepted",
   "CustomerServiceRequestStatusClosed": "Closed",
-  "CustomerServiceRequestStatusDeclined": "Declined",
+  "CustomerServiceRequestStatusDeclined": "Rejected",
   "CustomerServiceRequestStatusOpen": "Open",
   "CustomerServiceRequestCustom1": "Custom1",
   "CustomerServiceRequestCustom2": "Custom2",
diff --git a/server/AyaNova/resource/es.json b/server/AyaNova/resource/es.json
index 37f8e59d..bd5613b4 100644
--- a/server/AyaNova/resource/es.json
+++ b/server/AyaNova/resource/es.json
@@ -108,8 +108,8 @@
   "CustomerServiceRequestPriorityNotUrgent": "No urgente",
   "CustomerServiceRequestStatusAccepted": "Aceptado",
   "CustomerServiceRequestStatusClosed": "Cerrado",
-  "CustomerServiceRequestStatusDeclined": "Declined",
-  "CustomerServiceRequestStatusOpen": "Open",
+  "CustomerServiceRequestStatusDeclined": "Rechazado",
+  "CustomerServiceRequestStatusOpen": "Abierto",
   "CustomerServiceRequestCustom1": "Campo personalizado 1",
   "CustomerServiceRequestCustom2": "Campo personalizado 2",
   "CustomerServiceRequestCustom3": "Campo personalizado 3",
diff --git a/server/AyaNova/resource/fr.json b/server/AyaNova/resource/fr.json
index 1cc74ce2..43d36d37 100644
--- a/server/AyaNova/resource/fr.json
+++ b/server/AyaNova/resource/fr.json
@@ -108,8 +108,8 @@
   "CustomerServiceRequestPriorityNotUrgent": "Pas urgent",
   "CustomerServiceRequestStatusAccepted": "Accepté",
   "CustomerServiceRequestStatusClosed": "Fermé",
-  "CustomerServiceRequestStatusDeclined": "Declined",
-  "CustomerServiceRequestStatusOpen": "Open",
+  "CustomerServiceRequestStatusDeclined": "Rejeté",
+  "CustomerServiceRequestStatusOpen": "Ouvert",
   "CustomerServiceRequestCustom1": "Champ personnalisé 1",
   "CustomerServiceRequestCustom2": "Champ personnalisé 2",
   "CustomerServiceRequestCustom3": "Champ personnalisé 3",