diff --git a/addons/account_voucher/voucher_payment_receipt_view.xml b/addons/account_voucher/voucher_payment_receipt_view.xml
index fd4733bce90..e4c05fc1c9b 100644
--- a/addons/account_voucher/voucher_payment_receipt_view.xml
+++ b/addons/account_voucher/voucher_payment_receipt_view.xml
@@ -454,10 +454,11 @@
                             <label for="line_cr_ids" invisible="context.get('line_type', False)"/>
                             <field name="line_cr_ids" context="{'journal_id':journal_id, 'type':type, 'partner_id':partner_id}" on_change="onchange_line_ids(line_dr_ids, line_cr_ids, amount, currency_id, type, context)">
                                 <tree string="Invoices and outstanding transactions" editable="bottom" colors="gray:amount==0">
+                                    <field name="state" invisible="1"/>
                                     <field name="move_line_id" context="{'journal_id':parent.journal_id, 'partner_id':parent.partner_id}"
                                         on_change="onchange_move_line_id(move_line_id)"
                                         domain="[('account_id.type','in',('receivable','payable')), ('reconcile_id','=', False), ('partner_id','=',parent.partner_id)]"
-                                        required="1"
+                                        attrs="{'required': [('state', 'in', [False, 'draft'])]}"
                                         groups="account.group_account_user"/>
                                     <field name="account_id"  groups="base.group_no_one" domain="[('type','=','receivable')]"/>
                                     <field name="date_original" readonly="1"/>
@@ -471,10 +472,11 @@
                             <label for="line_dr_ids" attrs="{'invisible': [('pre_line','=',False)]}"/>
                             <field name="line_dr_ids" attrs="{'invisible': [('pre_line','=',False)]}" context="{'journal_id':journal_id, 'partner_id':partner_id}" on_change="onchange_line_ids(line_dr_ids, line_cr_ids, amount, currency_id, type, context)">
                                 <tree string="Credits" editable="bottom" colors="gray:amount==0">
+                                    <field name="state" invisible="1"/>
                                     <field name="move_line_id" context="{'journal_id':parent.journal_id, 'partner_id':parent.partner_id}"
                                         on_change="onchange_move_line_id(move_line_id)"
                                         domain="[('account_id.type','in',('receivable','payable')), ('reconcile_id','=', False), ('partner_id','=',parent.partner_id)]"
-                                        required="1"/>
+                                        attrs="{'required': [('state', 'in', [False, 'draft'])]}"/>
                                     <field name="account_id"  groups="base.group_no_one" domain="[('type','=','receivable')]"/>
                                     <field name="date_original" readonly="1"/>
                                     <field name="date_due" readonly="1"/>