diff --git a/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml b/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml
index b3cef2d8de..a9bffa3765 100755
--- a/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml
+++ b/datamodels/2.x/itop-change-mgmt-itil/datamodel.itop-change-mgmt-itil.xml
@@ -29,6 +29,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields>
         <field id="status" xsi:type="AttributeEnum">
@@ -1239,6 +1244,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields/>
       <lifecycle>
@@ -2191,6 +2201,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields>
         <field id="approval_date" xsi:type="AttributeDateTime">
@@ -4309,6 +4324,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields/>
       <lifecycle>
diff --git a/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml b/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml
index eaa7023319..c57bbd1e5b 100755
--- a/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml
+++ b/datamodels/2.x/itop-change-mgmt/datamodel.itop-change-mgmt.xml
@@ -29,6 +29,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields>
         <field id="status" xsi:type="AttributeEnum">
diff --git a/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml b/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml
index 3e9c6d4ab7..2a14be1315 100755
--- a/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml
+++ b/datamodels/2.x/itop-incident-mgmt-itil/datamodel.itop-incident-mgmt-itil.xml
@@ -29,6 +29,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields>
         <field id="status" xsi:type="AttributeEnum">
diff --git a/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml b/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml
index 12510c0747..5628123327 100755
--- a/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml
+++ b/datamodels/2.x/itop-problem-mgmt/datamodel.itop-problem-mgmt.xml
@@ -29,6 +29,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields>
         <field id="status" xsi:type="AttributeEnum">
diff --git a/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml b/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml
index 8f2f14af3d..7dd59d13fe 100755
--- a/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml
+++ b/datamodels/2.x/itop-request-mgmt-itil/datamodel.itop-request-mgmt-itil.xml
@@ -29,6 +29,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields>
         <field id="status" xsi:type="AttributeEnum">
diff --git a/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml b/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
index 6db9e99e1d..78b4b3e752 100755
--- a/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
+++ b/datamodels/2.x/itop-request-mgmt/datamodel.itop-request-mgmt.xml
@@ -29,6 +29,11 @@
             <attribute id="ref"/>
           </attributes>
         </reconciliation>
+        <order>
+          <columns>
+            <column id="ref" ascending="false"/>
+          </columns>
+        </order>
       </properties>
       <fields>
         <field id="status" xsi:type="AttributeEnum">