diff --git a/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml b/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml
index d1b6c588..135d7f92 100644
--- a/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml
+++ b/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseOrder.xml
@@ -84,6 +84,12 @@
 	<decimal name="stamp" title="stamp" scale="2" precision="20" />
     <decimal name="fixTax" title="fix Tax" scale="2" precision="20" />
 	
+	<many-to-one name="requestedByUser" ref="com.axelor.auth.db.User" readonly="true" title="Requested by"/> 
+  	<date name="requestDate" title="Request date" readonly="true"/>
+
+	<many-to-one name="approvedByUser" ref="com.axelor.auth.db.User" readonly="true" title="Approved by"/> 
+  	<date name="approvalDate" title="Approval date" readonly="true"/>
+
 	<many-to-one name="barCodeSeq" title="Barcode" ref="com.axelor.meta.db.MetaFile" />
 
   	<unique-constraint columns="purchaseOrderSeq,company"/>