diff -r 32ceadcd01cd move.xml
--- a/trytond/trytond/modules/account/move.xml	Mon Feb 02 18:44:16 2015 +0100
+++ b/trytond/trytond/modules/account/move.xml	Thu Apr 02 10:58:14 2015 +0200
@@ -259,6 +259,15 @@
             <field name="perm_delete" eval="True"/>
         </record>
 
+        <record model="ir.rule.group" id="rule_group_move_line">
+            <field name="model" search="[('model', '=', 'account.move.line')]"/>
+            <field name="global_p" eval="True"/>
+        </record>
+        <record model="ir.rule" id="rule_move_line1">
+            <field name="domain">[('account.company', 'in', [c.id for c in user.companies])]</field>
+            <field name="rule_group" ref="rule_group_move_line"/>
+        </record>
+
         <record model="ir.ui.view" id="reconcile_lines_writeoff_view_form">
             <field name="model">account.move.reconcile_lines.writeoff</field>
             <field name="type">form</field>