diff --git a/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Order_applyTradeCondition.xml b/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Order_applyTradeCondition.xml
index 17b53e70ced6b8559913c807f8c2d118fef3fa3c..c10a1920b585a1412201f49772212458d551bb07 100644
--- a/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Order_applyTradeCondition.xml
+++ b/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Order_applyTradeCondition.xml
@@ -99,6 +99,8 @@ def copyPaymentCondition(order, trade_condition):\n
     copyPaymentCondition(order, other_trade_condition)\n
   \n
 filter_dict = {\'portal_type\': \'Payment Condition\'}\n
+if force:\n
+  order.manage_delObjects(list(order.contentIds(filter=filter_dict)))\n
 if len(order.contentIds(filter=filter_dict)) == 0:\n
   copyPaymentCondition(order, trade_condition)\n
 \n
@@ -229,6 +231,7 @@ order.edit(**new_category_dict)\n
                             <string>_write_</string>
                             <string>copyPaymentCondition</string>
                             <string>filter_dict</string>
+                            <string>list</string>
                             <string>len</string>
                             <string>initialiseDiscountLineList</string>
                             <string>initialiseTaxLineList</string>
diff --git a/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Order_setSpecialiseAndApplyTradeCondition.xml b/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Order_setSpecialiseAndApplyTradeCondition.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a5162e277e8294299da43c530aaa57b090950749
--- /dev/null
+++ b/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/Order_setSpecialiseAndApplyTradeCondition.xml
@@ -0,0 +1,127 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <tuple>
+        <global name="PythonScript" module="Products.PythonScripts.PythonScript"/>
+        <tuple/>
+      </tuple>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>Script_magic</string> </key>
+            <value> <int>3</int> </value>
+        </item>
+        <item>
+            <key> <string>_bind_names</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="NameAssignments" module="Shared.DC.Scripts.Bindings"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>_asgns</string> </key>
+                        <value>
+                          <dictionary>
+                            <item>
+                                <key> <string>name_container</string> </key>
+                                <value> <string>container</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_context</string> </key>
+                                <value> <string>context</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_m_self</string> </key>
+                                <value> <string>script</string> </value>
+                            </item>
+                            <item>
+                                <key> <string>name_subpath</string> </key>
+                                <value> <string>traverse_subpath</string> </value>
+                            </item>
+                          </dictionary>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>_body</string> </key>
+            <value> <string>context.setSpecialiseUidList(relation_uid_list, portal_type=portal_type)\n
+\n
+if relation_uid_list:\n
+  context.Order_applyTradeCondition(context.getSpecialiseValue(), force=1)\n
+</string> </value>
+        </item>
+        <item>
+            <key> <string>_code</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>_params</string> </key>
+            <value> <string>relation_uid_list, portal_type</string> </value>
+        </item>
+        <item>
+            <key> <string>errors</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_code</string> </key>
+            <value>
+              <object>
+                <klass>
+                  <global name="FuncCode" module="Shared.DC.Scripts.Signature"/>
+                </klass>
+                <tuple/>
+                <state>
+                  <dictionary>
+                    <item>
+                        <key> <string>co_argcount</string> </key>
+                        <value> <int>2</int> </value>
+                    </item>
+                    <item>
+                        <key> <string>co_varnames</string> </key>
+                        <value>
+                          <tuple>
+                            <string>relation_uid_list</string>
+                            <string>portal_type</string>
+                            <string>_getattr_</string>
+                            <string>context</string>
+                          </tuple>
+                        </value>
+                    </item>
+                  </dictionary>
+                </state>
+              </object>
+            </value>
+        </item>
+        <item>
+            <key> <string>func_defaults</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>Order_setSpecialiseAndApplyTradeCondition</string> </value>
+        </item>
+        <item>
+            <key> <string>warnings</string> </key>
+            <value>
+              <tuple/>
+            </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/PurchaseOrder_viewFieldLibrary/my_specialise_title.xml b/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/PurchaseOrder_viewFieldLibrary/my_specialise_title.xml
index a7f6a40690be9595059d2e4e0b37b60a3938e393..42273878866a31f661c01be6d230019d9c4550cf 100644
--- a/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/PurchaseOrder_viewFieldLibrary/my_specialise_title.xml
+++ b/bt5/erp5_trade/SkinTemplateItem/portal_skins/erp5_trade/PurchaseOrder_viewFieldLibrary/my_specialise_title.xml
@@ -15,6 +15,7 @@
               <list>
                 <string>title</string>
                 <string>portal_type</string>
+                <string>relation_setter_id</string>
               </list>
             </value>
         </item>
@@ -94,6 +95,10 @@
                       </list>
                     </value>
                 </item>
+                <item>
+                    <key> <string>relation_setter_id</string> </key>
+                    <value> <string>Order_setSpecialiseAndApplyTradeCondition</string> </value>
+                </item>
                 <item>
                     <key> <string>target</string> </key>
                     <value> <string>Click to edit the target</string> </value>
diff --git a/bt5/erp5_trade/bt/revision b/bt5/erp5_trade/bt/revision
index 4e41d750b707c6ae7720224ac5fd014f40026aa2..77555c31de9f33c3219429a31dbfaa25386cc3a3 100644
--- a/bt5/erp5_trade/bt/revision
+++ b/bt5/erp5_trade/bt/revision
@@ -1 +1 @@
-528
\ No newline at end of file
+529
\ No newline at end of file