diff --git a/product/ERP5/bootstrap/erp5_property_sheets/PropertySheetTemplateItem/portal_property_sheets/TradePreference.xml b/product/ERP5/bootstrap/erp5_property_sheets/PropertySheetTemplateItem/portal_property_sheets/TradePreference.xml
index 54edcdd8575d6bf7fcb66afe3f3f7cd6cd679a00..8f80677c6ce19a732e942f7c07676e1804f48cb3 100644
--- a/product/ERP5/bootstrap/erp5_property_sheets/PropertySheetTemplateItem/portal_property_sheets/TradePreference.xml
+++ b/product/ERP5/bootstrap/erp5_property_sheets/PropertySheetTemplateItem/portal_property_sheets/TradePreference.xml
@@ -30,7 +30,7 @@
         </item>
         <item>
             <key> <string>last_id</string> </key>
-            <value> <string>7</string> </value>
+            <value> <string>8</string> </value>
         </item>
         <item>
             <key> <string>portal_type</string> </key>
diff --git a/product/ERP5/bootstrap/erp5_property_sheets/PropertySheetTemplateItem/portal_property_sheets/TradePreference/preferred_internal_use_property.xml b/product/ERP5/bootstrap/erp5_property_sheets/PropertySheetTemplateItem/portal_property_sheets/TradePreference/preferred_internal_use_property.xml
new file mode 100644
index 0000000000000000000000000000000000000000..118f6769ddc767a0be1e975e526027312c910b4d
--- /dev/null
+++ b/product/ERP5/bootstrap/erp5_property_sheets/PropertySheetTemplateItem/portal_property_sheets/TradePreference/preferred_internal_use_property.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Standard Property" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>categories</string> </key>
+            <value>
+              <tuple>
+                <string>elementary_type/lines</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>preferred_internal_use_property</string> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Standard Property</string> </value>
+        </item>
+        <item>
+            <key> <string>preference</string> </key>
+            <value> <int>1</int> </value>
+        </item>
+        <item>
+            <key> <string>property_default</string> </key>
+            <value> <string>python: []</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>
diff --git a/product/ERP5/bootstrap/erp5_property_sheets/bt/revision b/product/ERP5/bootstrap/erp5_property_sheets/bt/revision
index 8580e7b684b14da5d9f84ab4eaf2f5139d508cbe..b74e882ae378d7e5aae630f48c20dd1e40186d98 100644
--- a/product/ERP5/bootstrap/erp5_property_sheets/bt/revision
+++ b/product/ERP5/bootstrap/erp5_property_sheets/bt/revision
@@ -1 +1 @@
-30
\ No newline at end of file
+31
\ No newline at end of file