diff --git a/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseRequest.xml b/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseRequest.xml
index d69c7da..4780b93 100644
--- a/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseRequest.xml
+++ b/modules/axelor-open-suite/axelor-purchase/src/main/resources/domains/PurchaseRequest.xml
@@ -16,6 +16,16 @@
     <string name="purchaseRequestSeq" title="Ref."/>
 	<one-to-many ref="com.axelor.apps.purchase.db.PurchaseRequestLine" name="purchaseRequestLineList" title="Purchase Request Lines" mappedBy="purchaseRequest"/>
     <many-to-one name="familleProduit" ref="com.axelor.apps.base.db.FamilleProduit" title="famille article" />
+	
+	<many-to-one name="acceptedByUser" ref="com.axelor.auth.db.User" readonly="true" title="Accepted by"/> 
+  	<date name="acceptanceDate" title="Acceptance date" readonly="true"/>
+	
+	<many-to-one name="validatedByUser" ref="com.axelor.auth.db.User" readonly="true" title="Validated by"/> 
+  	<date name="validationDate" title="Validation 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"/>
+	
     <unique-constraint columns="purchaseRequestSeq"/>
 
     <extra-code>