diff --git a/modules/axelor-open-suite/axelor-supplier-management/src/main/java/com/axelor/apps/suppliermanagement/web/PurchaseOrderLineController.java b/modules/axelor-open-suite/axelor-supplier-management/src/main/java/com/axelor/apps/suppliermanagement/web/PurchaseOrderLineController.java
index 2961f36..2c5b3fa 100644
--- a/modules/axelor-open-suite/axelor-supplier-management/src/main/java/com/axelor/apps/suppliermanagement/web/PurchaseOrderLineController.java
+++ b/modules/axelor-open-suite/axelor-supplier-management/src/main/java/com/axelor/apps/suppliermanagement/web/PurchaseOrderLineController.java
@@ -26,6 +26,7 @@ import com.axelor.inject.Beans;
 import com.axelor.rpc.ActionRequest;
 import com.axelor.rpc.ActionResponse;
 import com.google.inject.Singleton;
+import com.axelor.rpc.Context;
 
 @Singleton
 public class PurchaseOrderLineController {
@@ -49,4 +50,14 @@ public class PurchaseOrderLineController {
       TraceBackService.trace(response, e);
     }
   }
+  
+  public void defaultValuesSuppliersRequests(ActionRequest request, ActionResponse response) {
+    
+    try {
+    Context context = request.getContext().getParent();
+    response.setValue("availableQty",context.get("qty"));     
+    } catch (Exception e) {
+      TraceBackService.trace(response, e);
+    }
+  }
 }
diff --git a/modules/axelor-open-suite/axelor-supplier-management/src/main/resources/domains/PurchaseOrderSupplierLine.xml b/modules/axelor-open-suite/axelor-supplier-management/src/main/resources/domains/PurchaseOrderSupplierLine.xml
index 57caed7..b9ab087 100644
--- a/modules/axelor-open-suite/axelor-supplier-management/src/main/resources/domains/PurchaseOrderSupplierLine.xml
+++ b/modules/axelor-open-suite/axelor-supplier-management/src/main/resources/domains/PurchaseOrderSupplierLine.xml
@@ -21,6 +21,16 @@
   	
   	<many-to-one name="supplierPartner" ref="com.axelor.apps.base.db.Partner" title="Supplier" initParam="true" index="idx_suppmanage_po_supp_line_supp_partner"/>
   	
+	<!-- sophal -->	
+	<many-to-one name="taxLine" ref="com.axelor.apps.account.db.TaxLine" title="Tax"/>
+	<!-- Total HT -->	
+	<decimal name="exTaxTotal" title="Total W.T." scale="2" precision="20" readonly="true"/>
+	<!-- Total T.V.A. -->
+	<decimal name="taxTotal" title="Total Tax" scale="2" precision="20" readonly="true"/>
+	<!-- Total T.T.C -->
+	<decimal name="inTaxTotal" title="Total A.T.I." scale="2" precision="20" readonly="true"/>
+	<!-- sophal -->
+	
   	<extra-code><![CDATA[
 	
 	   	//STATE SELECT