diff --git a/server/AyaNova/biz/AyaType.cs b/server/AyaNova/biz/AyaType.cs
index dbfa36b9..1b41148f 100644
--- a/server/AyaNova/biz/AyaType.cs
+++ b/server/AyaNova/biz/AyaType.cs
@@ -111,6 +111,7 @@ namespace AyaNova.Biz
         //AyaNova.Biz.BizRoles
         //AyaNova.Biz.BizObjectNameFetcherDIRECT
         //and in the CLIENT in ayatype.js
+        //and their model needs to have the ICoreBizObjectModel interface
 
         //and need TRANSLATION KEYS because any type could show in the event log at the client end
 
diff --git a/server/AyaNova/models/Contract.cs b/server/AyaNova/models/Contract.cs
index 66b80447..96408296 100644
--- a/server/AyaNova/models/Contract.cs
+++ b/server/AyaNova/models/Contract.cs
@@ -7,7 +7,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
 
-    public class Contract
+    public class Contract : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/Customer.cs b/server/AyaNova/models/Customer.cs
index 4c621999..1eb8c82a 100644
--- a/server/AyaNova/models/Customer.cs
+++ b/server/AyaNova/models/Customer.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class Customer
+    public class Customer : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/HeadOffice.cs b/server/AyaNova/models/HeadOffice.cs
index a0ca0365..180b0cfb 100644
--- a/server/AyaNova/models/HeadOffice.cs
+++ b/server/AyaNova/models/HeadOffice.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class HeadOffice
+    public class HeadOffice : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/ICoreBizObjectModel.cs b/server/AyaNova/models/ICoreBizObjectModel.cs
index 7c476361..f0ca285e 100644
--- a/server/AyaNova/models/ICoreBizObjectModel.cs
+++ b/server/AyaNova/models/ICoreBizObjectModel.cs
@@ -7,10 +7,14 @@ namespace AyaNova.Models
     /// </summary>
     internal interface ICoreBizObjectModel
     {
-        public long Id {get;set;}
+        //Note: almost all biz objects support all these propertys, the exceptions are extremely few so auto-implementing them here
+        //this is not a public api so I don't care about the "contract" aspect, just practicality
+        //didn't want to end up with a zillion interfaces for all manner of stuff
+        public long Id { get; set; }
         public uint Concurrency { get; set; }
-
-        public string Wiki { get; set; }
+        public string Name {  get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
+        public bool? Active { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }      
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
         public string CustomFields { get; set; }
         public List<string> Tags { get; set; }
 
diff --git a/server/AyaNova/models/LoanUnit.cs b/server/AyaNova/models/LoanUnit.cs
index 29667359..92710d9b 100644
--- a/server/AyaNova/models/LoanUnit.cs
+++ b/server/AyaNova/models/LoanUnit.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class LoanUnit
+    public class LoanUnit : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/PM.cs b/server/AyaNova/models/PM.cs
index 6b3a5d17..adf554fc 100644
--- a/server/AyaNova/models/PM.cs
+++ b/server/AyaNova/models/PM.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
 
-    public class PM
+    public class PM : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/PMItem.cs b/server/AyaNova/models/PMItem.cs
index e8035d57..75454cdb 100644
--- a/server/AyaNova/models/PMItem.cs
+++ b/server/AyaNova/models/PMItem.cs
@@ -8,7 +8,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class PMItem
+    public class PMItem : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/PMTemplate.cs b/server/AyaNova/models/PMTemplate.cs
index 778c12c3..6b8300a8 100644
--- a/server/AyaNova/models/PMTemplate.cs
+++ b/server/AyaNova/models/PMTemplate.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class PMTemplate
+    public class PMTemplate : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/PMTemplateItem.cs b/server/AyaNova/models/PMTemplateItem.cs
index 6626a3d1..6b93cf47 100644
--- a/server/AyaNova/models/PMTemplateItem.cs
+++ b/server/AyaNova/models/PMTemplateItem.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class PMTemplateItem
+    public class PMTemplateItem : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/Part.cs b/server/AyaNova/models/Part.cs
index 0ad93ae3..29cd546e 100644
--- a/server/AyaNova/models/Part.cs
+++ b/server/AyaNova/models/Part.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class Part
+    public class Part : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/Project.cs b/server/AyaNova/models/Project.cs
index 95290089..64fbaf99 100644
--- a/server/AyaNova/models/Project.cs
+++ b/server/AyaNova/models/Project.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class Project
+    public class Project : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/PurchaseOrder.cs b/server/AyaNova/models/PurchaseOrder.cs
index f73cc5d2..32d43482 100644
--- a/server/AyaNova/models/PurchaseOrder.cs
+++ b/server/AyaNova/models/PurchaseOrder.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class PurchaseOrder
+    public class PurchaseOrder : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/Quote.cs b/server/AyaNova/models/Quote.cs
index 449c228b..bbd642f8 100644
--- a/server/AyaNova/models/Quote.cs
+++ b/server/AyaNova/models/Quote.cs
@@ -8,7 +8,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
 
-    public class Quote
+    public class Quote : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/QuoteItem.cs b/server/AyaNova/models/QuoteItem.cs
index 48303a9f..07b0fc8b 100644
--- a/server/AyaNova/models/QuoteItem.cs
+++ b/server/AyaNova/models/QuoteItem.cs
@@ -8,7 +8,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class QuoteItem
+    public class QuoteItem : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/QuoteTemplate.cs b/server/AyaNova/models/QuoteTemplate.cs
index 62e98f0f..39e32e03 100644
--- a/server/AyaNova/models/QuoteTemplate.cs
+++ b/server/AyaNova/models/QuoteTemplate.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class QuoteTemplate
+    public class QuoteTemplate : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/QuoteTemplateItem.cs b/server/AyaNova/models/QuoteTemplateItem.cs
index b9ca81f8..503c70fa 100644
--- a/server/AyaNova/models/QuoteTemplateItem.cs
+++ b/server/AyaNova/models/QuoteTemplateItem.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class QuoteTemplateItem
+    public class QuoteTemplateItem : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/Unit.cs b/server/AyaNova/models/Unit.cs
index b2db0677..0c3b3ea5 100644
--- a/server/AyaNova/models/Unit.cs
+++ b/server/AyaNova/models/Unit.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class Unit
+    public class Unit : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/UnitModel.cs b/server/AyaNova/models/UnitModel.cs
index 5f984c93..e52afef7 100644
--- a/server/AyaNova/models/UnitModel.cs
+++ b/server/AyaNova/models/UnitModel.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class UnitModel
+    public class UnitModel : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/Vendor.cs b/server/AyaNova/models/Vendor.cs
index d7bcc18d..c76419e6 100644
--- a/server/AyaNova/models/Vendor.cs
+++ b/server/AyaNova/models/Vendor.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class Vendor
+    public class Vendor : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/WorkOrderItemExpense.cs b/server/AyaNova/models/WorkOrderItemExpense.cs
index fbfbfd03..13f0632c 100644
--- a/server/AyaNova/models/WorkOrderItemExpense.cs
+++ b/server/AyaNova/models/WorkOrderItemExpense.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemExpense 
+    public class WorkOrderItemExpense : ICoreBizObjectModel
     {
          public WorkOrderItemExpense()
         {
@@ -19,5 +19,9 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }         
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+        // //Just to conform with interface, it's rare and easier to do this
+        // [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        // public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
+        
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemLabor.cs b/server/AyaNova/models/WorkOrderItemLabor.cs
index 908f78eb..87541503 100644
--- a/server/AyaNova/models/WorkOrderItemLabor.cs
+++ b/server/AyaNova/models/WorkOrderItemLabor.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemLabor
+    public class WorkOrderItemLabor : ICoreBizObjectModel
     {
          public WorkOrderItemLabor()
         {
@@ -19,5 +19,8 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }  
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+         //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemLoan.cs b/server/AyaNova/models/WorkOrderItemLoan.cs
index ed2fd871..d1db3f14 100644
--- a/server/AyaNova/models/WorkOrderItemLoan.cs
+++ b/server/AyaNova/models/WorkOrderItemLoan.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemLoan
+    public class WorkOrderItemLoan : ICoreBizObjectModel
     {
          public WorkOrderItemLoan()
         {
@@ -19,5 +19,8 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }         
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+         //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemPart.cs b/server/AyaNova/models/WorkOrderItemPart.cs
index cb939464..58a48fb9 100644
--- a/server/AyaNova/models/WorkOrderItemPart.cs
+++ b/server/AyaNova/models/WorkOrderItemPart.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemPart
+    public class WorkOrderItemPart : ICoreBizObjectModel
     {
          public WorkOrderItemPart()
         {
@@ -19,5 +19,8 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }         
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+         //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemPartRequest.cs b/server/AyaNova/models/WorkOrderItemPartRequest.cs
index 5457212e..37acacec 100644
--- a/server/AyaNova/models/WorkOrderItemPartRequest.cs
+++ b/server/AyaNova/models/WorkOrderItemPartRequest.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemPartRequest
+    public class WorkOrderItemPartRequest : ICoreBizObjectModel
     {
         public WorkOrderItemPartRequest()
         {
@@ -19,5 +19,8 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+         //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemScheduledUser.cs b/server/AyaNova/models/WorkOrderItemScheduledUser.cs
index ea0e9d1f..aae6e964 100644
--- a/server/AyaNova/models/WorkOrderItemScheduledUser.cs
+++ b/server/AyaNova/models/WorkOrderItemScheduledUser.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemScheduledUser
+    public class WorkOrderItemScheduledUser : ICoreBizObjectModel
     {
          public WorkOrderItemScheduledUser()
         {
@@ -19,5 +19,8 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }         
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+         //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemTask.cs b/server/AyaNova/models/WorkOrderItemTask.cs
index a4e3fd8f..048ad77e 100644
--- a/server/AyaNova/models/WorkOrderItemTask.cs
+++ b/server/AyaNova/models/WorkOrderItemTask.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemTask
+    public class WorkOrderItemTask : ICoreBizObjectModel
     {
          public WorkOrderItemTask()
         {
@@ -19,5 +19,8 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }         
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+         //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemTravel.cs b/server/AyaNova/models/WorkOrderItemTravel.cs
index cccae935..eaf173e7 100644
--- a/server/AyaNova/models/WorkOrderItemTravel.cs
+++ b/server/AyaNova/models/WorkOrderItemTravel.cs
@@ -4,7 +4,7 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemTravel
+    public class WorkOrderItemTravel : ICoreBizObjectModel
     {
          public WorkOrderItemTravel()
         {
@@ -19,5 +19,8 @@ namespace AyaNova.Models
         public long WorkOrderItemId { get; set; }         
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+         //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderItemUnit.cs b/server/AyaNova/models/WorkOrderItemUnit.cs
index ce15467b..eb2bd32c 100644
--- a/server/AyaNova/models/WorkOrderItemUnit.cs
+++ b/server/AyaNova/models/WorkOrderItemUnit.cs
@@ -4,20 +4,23 @@ using Newtonsoft.Json;
 
 namespace AyaNova.Models
 {
-    public class WorkOrderItemUnit
+    public class WorkOrderItemUnit : ICoreBizObjectModel
     {
-         public WorkOrderItemUnit()
+        public WorkOrderItemUnit()
         {
             Tags = new List<string>();
         }
         public long Id { get; set; }
-        public uint Concurrency { get; set; }       
+        public uint Concurrency { get; set; }
         public string Notes { get; set; }
         public string CustomFields { get; set; }
-        public List<string> Tags { get; set; }        
+        public List<string> Tags { get; set; }
         [Required]
-        public long WorkOrderItemId { get; set; }         
+        public long WorkOrderItemId { get; set; }
         [JsonIgnore]
         public WorkOrderItem WorkOrderItem { get; set; }
+        //Just to conform with interface, it's rare and easier to do this
+        [System.ComponentModel.DataAnnotations.Schema.NotMapped]
+        public string Wiki { get => throw new System.NotImplementedException(); set => throw new System.NotImplementedException(); }
     }//eoc
 }//eons
diff --git a/server/AyaNova/models/WorkOrderTemplate.cs b/server/AyaNova/models/WorkOrderTemplate.cs
index 1ea5caee..30333273 100644
--- a/server/AyaNova/models/WorkOrderTemplate.cs
+++ b/server/AyaNova/models/WorkOrderTemplate.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class WorkOrderTemplate
+    public class WorkOrderTemplate : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }
diff --git a/server/AyaNova/models/WorkOrderTemplateItem.cs b/server/AyaNova/models/WorkOrderTemplateItem.cs
index 08185e47..7dd22ccf 100644
--- a/server/AyaNova/models/WorkOrderTemplateItem.cs
+++ b/server/AyaNova/models/WorkOrderTemplateItem.cs
@@ -9,7 +9,7 @@ namespace AyaNova.Models
     //NOTE: Any non required field (nullable in DB) sb nullable here, i.e. decimal? not decimal, 
     //otherwise the server will call it an invalid record if the field isn't sent from client
    
-    public class WorkOrderTemplateItem
+    public class WorkOrderTemplateItem : ICoreBizObjectModel
     {
         public long Id { get; set; }
         public uint Concurrency { get; set; }