diff --git a/server/AyaNova/DataList/CustomerDataList.cs b/server/AyaNova/DataList/CustomerDataList.cs
index 0305ea35..3dca8725 100644
--- a/server/AyaNova/DataList/CustomerDataList.cs
+++ b/server/AyaNova/DataList/CustomerDataList.cs
@@ -1,8 +1,11 @@
 using System.Collections.Generic;
+using System.Linq;
 using AyaNova.Biz;
+using AyaNova.Models;
+
 namespace AyaNova.DataList
 {
-    internal class CustomerDataList : DataListProcessingBase
+    internal class CustomerDataList : DataListProcessingBase, IDataListInternalCriteria
     {
         public CustomerDataList()
         {
@@ -282,9 +285,53 @@ namespace AyaNova.DataList
             FieldDefinitions.Add(new DataListFieldDefinition { TKey = "CustomerCustom14", FieldKey = "customercustom14", IsCustomField = true, IsFilterable = false, IsSortable = false, SqlValueColumnName = "acustomer.customfields" });
             FieldDefinitions.Add(new DataListFieldDefinition { TKey = "CustomerCustom15", FieldKey = "customercustom15", IsCustomField = true, IsFilterable = false, IsSortable = false, SqlValueColumnName = "acustomer.customfields" });
             FieldDefinitions.Add(new DataListFieldDefinition { TKey = "CustomerCustom16", FieldKey = "customercustom16", IsCustomField = true, IsFilterable = false, IsSortable = false, SqlValueColumnName = "acustomer.customfields" });
+
+
+            //META COLUMNS
+
+            FieldDefinitions.Add(new DataListFieldDefinition
+            {
+                FieldKey = "metaheadoffice",
+                UiFieldDataType = (int)UiFieldDataType.InternalId,
+                SqlIdColumnName = "aheadoffice.id",
+                SqlValueColumnName = "aheadoffice.id",
+                IsMeta = true //"I'm So Meta Even This Acronym"
+            });
         }
 
+        public List<DataListFilterOption> DataListInternalCriteria(long currentUserId, AuthorizationRoles userRoles, string clientCriteria)
+        {
+            List<DataListFilterOption> ret = new List<DataListFilterOption>();
 
+            //ClientCriteria format for this list is "OBJECTID,AYATYPE" 
+            var crit = (clientCriteria ?? "").Split(',').Select(z => z.Trim()).ToArray();
+            if (crit.Length > 1)
+            {
+                //for now just show all customers of headoffice
+                int nType = 0;
+                if (!int.TryParse(crit[1], out nType)) return ret;
+                AyaType forType = (AyaType)nType;
+                if (forType != AyaType.HeadOffice) return ret;
+
+                long lId = 0;
+                if (!long.TryParse(crit[0], out lId)) return ret;
+                if (lId == 0) return ret;
+
+                //Have valid type, have an id, so filter away
+                switch (forType)
+                {
+                    case AyaType.HeadOffice:
+                        {
+                            DataListFilterOption FilterOption = new DataListFilterOption() { Column = "metaheadoffice" };
+                            FilterOption.Items.Add(new DataListColumnFilter() { value = crit[0], op = DataListFilterComparisonOperator.Equality });
+                            ret.Add(FilterOption);
+                        }
+                        break;
+
+                }
+            }
+            return ret;
+        }
 
     }//eoc
 }//eons
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