diff --git a/addons/l10n_ca/account_chart_template_en.xml b/addons/l10n_ca/account_chart_template_en.xml
index 64e0632382e..f73bdcec68e 100644
--- a/addons/l10n_ca/account_chart_template_en.xml
+++ b/addons/l10n_ca/account_chart_template_en.xml
@@ -1,5 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
+    <data noupdate="1">
+        <!-- Those properties are in a noupdate section in the stock module -->
+        <!-- No need to create them if they have been deleted               -->
+        <record id="stock.property_stock_account_input_categ" model="ir.property" forcecreate="False">
+            <field eval="'account.account,'+str(ref('chart2141_en'))" model="account.account" name="value"/>
+            <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
+        </record>
+        <record id="stock.property_stock_account_output_categ" model="ir.property" forcecreate="False">
+            <field eval="'account.account,'+str(ref('chart1145_en'))" model="account.account" name="value"/>
+            <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
+        </record>
+    </data>
     <data>
 
     <!-- Chart template -->
@@ -16,16 +28,6 @@
         <field name="currency_id" ref="base.CAD"/>
     </record>
 
-    <record id="stock.property_stock_account_input_categ" model="ir.property">
-        <field eval="'account.account,'+str(ref('chart2141_en'))" model="account.account" name="value"/>
-        <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
-    </record>
-
-    <record id="stock.property_stock_account_output_categ" model="ir.property">
-        <field eval="'account.account,'+str(ref('chart1145_en'))" model="account.account" name="value"/>
-        <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
-    </record>
-
     <record id="property_stock_valuation_account_id_en" model="ir.property">
         <field name="name">property_stock_valuation_account_id</field>
         <field name="fields_id" search="[('model','=','product.category'),('name','=','property_stock_valuation_account_id')]"/>
diff --git a/addons/l10n_ca/account_chart_template_fr.xml b/addons/l10n_ca/account_chart_template_fr.xml
index 510153200c6..b425d525e1d 100644
--- a/addons/l10n_ca/account_chart_template_fr.xml
+++ b/addons/l10n_ca/account_chart_template_fr.xml
@@ -1,5 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
+    <data noupdate="1">
+        <!-- Those properties are in a noupdate section in the stock module -->
+        <!-- No need to create them if they have been deleted               -->
+        <record id="stock.property_stock_account_input_categ" model="ir.property" forcecreate="False">
+            <field eval="'account.account,'+str(ref('chart2171_fr'))" model="account.account" name="value"/>
+            <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
+        </record>
+        <record id="stock.property_stock_account_output_categ" model="ir.property" forcecreate="False">
+            <field eval="'account.account,'+str(ref('chart1145_fr'))" model="account.account" name="value"/>
+            <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
+        </record>
+    </data>
 	<data>
 
 	<!-- Chart template -->
@@ -15,16 +27,6 @@
 		<field name="currency_id" ref="base.CAD"/>
 	</record>
 
-        <record id="stock.property_stock_account_input_categ" model="ir.property">
-                <field eval="'account.account,'+str(ref('chart2171_fr'))" model="account.account" name="value"/>
-                <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
-	</record>
-
-        <record id="stock.property_stock_account_output_categ" model="ir.property">
-                <field eval="'account.account,'+str(ref('chart1145_fr'))" model="account.account" name="value"/>
-                <field eval="'product.category,'+str(ref('product.product_category_all'))" model="product.category" name="res_id"/>
-        </record>
-
         <record id="property_stock_valuation_account_id" model="ir.property">
                 <field name="name">property_stock_valuation_account_id</field>
                 <field name="fields_id" search="[('model','=','product.category'),('name','=','property_stock_valuation_account_id')]"/>
diff --git a/addons/stock/stock.py b/addons/stock/stock.py
index 0acf8a229a7..b3e9d951673 100644
--- a/addons/stock/stock.py
+++ b/addons/stock/stock.py
@@ -630,6 +630,13 @@ class stock_picking(osv.osv):
             res[pick]['max_date'] = dt2
         return res
 
+    def _get_pickings(self, cr, uid, ids, context=None):
+        res = set()
+        for move in self.browse(cr, uid, ids, context=context):
+            if move.picking_id and not move.picking_id.min_date < move.date_expected < move.picking_id.max_date:
+                res.add(move.picking_id.id)
+        return list(res)
+
     def create(self, cr, user, vals, context=None):
         if ('name' not in vals) or (vals.get('name')=='/') or (vals.get('name') == False):
             seq_obj_name =  self._name
@@ -665,11 +672,11 @@ class stock_picking(osv.osv):
             * Cancelled: has been cancelled, can't be confirmed anymore"""
         ),
         'min_date': fields.function(get_min_max_date, fnct_inv=_set_minimum_date, multi="min_max_date",
-                 store=True, type='datetime', string='Scheduled Time', select=1, help="Scheduled time for the shipment to be processed"),
+                 store={'stock.move': (_get_pickings, ['date_expected', 'picking_id'], 20)}, type='datetime', string='Scheduled Time', select=1, help="Scheduled time for the shipment to be processed"),
         'date': fields.datetime('Creation Date', help="Creation date, usually the time of the order.", select=True, states={'done':[('readonly', True)], 'cancel':[('readonly',True)]}),
         'date_done': fields.datetime('Date of Transfer', help="Date of Completion", states={'done':[('readonly', True)], 'cancel':[('readonly',True)]}),
         'max_date': fields.function(get_min_max_date, fnct_inv=_set_maximum_date, multi="min_max_date",
-                 store=True, type='datetime', string='Max. Expected Date', select=2),
+                 store={'stock.move': (_get_pickings, ['date_expected', 'picking_id'], 20)}, type='datetime', string='Max. Expected Date', select=2),
         'move_lines': fields.one2many('stock.move', 'picking_id', 'Internal Moves', states={'done': [('readonly', True)], 'cancel': [('readonly', True)]}),
         'product_id': fields.related('move_lines', 'product_id', type='many2one', relation='product.product', string='Product'),
         'auto_picking': fields.boolean('Auto-Picking', states={'done':[('readonly', True)], 'cancel':[('readonly',True)]}),