server/AyaNova/biz/FormFieldReference.cs

@@ -1699,7 +1699,7 @@ namespace AyaNova.Biz
 
         //CLIENT Use only for display in customization form to disambiguate things like
         //Tags in main workorder and Tags in Workorder Item and Tags in Unit (all on same form)
-        public string TKeySection { get; set; }
+        public string TKeySection { get; set; }=null;
 
         //CLIENT form customization
         public bool Hideable { get; set; }

server/AyaNova/biz/RequiredFieldsValidator.cs

@@ -28,8 +28,9 @@ namespace AyaNova.Biz
                     //get the FormField object
                     FormField FF = FormFields.Where(z => z.FieldKey == FldLtKey).Single();
 
-                    //don't validate custom fields, just skip them
-                    if (!FF.IsCustomField)
+                    var proposedObjectType=proposedObject.GetType().ToString();
+                    //don't validate custom fields, just skip them, make sure if it's sectional it matches the section of the object type (workorder sub sections)
+                    if (!FF.IsCustomField && FF.TKeySection == null || proposedObjectType.EndsWith(FF.TKeySection))
                     {
                         //Now get the actual property name from the available fields using the lt key
                         string RequiredPropertyName = FF.FieldKey;