diff --git a/modules/purchase_trade/docs/business-rules.md b/modules/purchase_trade/docs/business-rules.md
index 605f093..73a6b9b 100644
--- a/modules/purchase_trade/docs/business-rules.md
+++ b/modules/purchase_trade/docs/business-rules.md
@@ -397,16 +397,17 @@ Owner technique: `a completer`
   - Sur `sale.sale` et `purchase.purchase`, `bank_account` represente le compte
     bancaire propre a la `party` du contrat.
   - Sur `sale.sale` et `purchase.purchase`, `our_bank_account` represente le
-    compte bancaire propre a `company.party`.
-  - Les deux champs sont limites aux comptes bancaires disponibles sur leur
-    party respective.
+    compte bancaire utilise par la compagnie courante pour encaisser ou payer.
+  - `bank_account` est limite aux comptes bancaires de la party du contrat.
+  - `our_bank_account` reste librement selectionnable parmi les comptes
+    bancaires disponibles.
 - Resultat attendu:
   - si plusieurs comptes existent, le compte dont la devise correspond a la
     devise du contrat est propose en priorite
   - si aucun compte ne matche la devise, le premier compte disponible est
     propose
-  - le champ `Our Bank Account` reste modifiable par l'utilisateur dans le
-    domaine des comptes de la compagnie
+  - le champ `Our Bank Account` est pre-rempli depuis les comptes de la
+    compagnie quand possible, mais sa recherche n'est pas limitee a ces comptes
 - Priorite:
   - `importante`
 
diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index 3ff73a7..91cdd8e 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -267,13 +267,8 @@ class Purchase(metaclass=PoolMeta):
         'bank.account', "Bank Account",
         domain=[('id', 'in', Eval('bank_accounts', []))],
         depends=['bank_accounts'])
-    our_bank_accounts = fields.Function(
-        fields.Many2Many('bank.account', None, None, "Our Bank Accounts"),
-        'on_change_with_our_bank_accounts')
     our_bank_account = fields.Many2One(
-        'bank.account', "Our Bank Account",
-        domain=[('id', 'in', Eval('our_bank_accounts', []))],
-        depends=['our_bank_accounts'])
+        'bank.account', "Our Bank Account")
     from_location = fields.Many2One('stock.location', 'From location', required=True,domain=[('type', "!=", 'customer')])
     to_location = fields.Many2One('stock.location', 'To location', required=True,domain=[('type', "!=", 'supplier')])
     shipment_in = fields.Many2One('stock.shipment.in','Purchases')
@@ -348,13 +343,6 @@ class Purchase(metaclass=PoolMeta):
             return [account.id for account in self.party.bank_accounts]
         return []
 
-    @fields.depends('company', '_parent_company.party')
-    def on_change_with_our_bank_accounts(self, name=None):
-        if (self.company and self.company.party
-                and self.company.party.bank_accounts):
-            return [account.id for account in self.company.party.bank_accounts]
-        return []
-
     @fields.depends(
         'company', 'party', 'invoice_party', 'payment_term', 'lines',
         'bank_account', 'our_bank_account', '_parent_party.bank_accounts',
diff --git a/modules/purchase_trade/sale.py b/modules/purchase_trade/sale.py
index 6392960..62b9745 100755
--- a/modules/purchase_trade/sale.py
+++ b/modules/purchase_trade/sale.py
@@ -232,13 +232,8 @@ class Sale(metaclass=PoolMeta):
         'bank.account', "Bank Account",
         domain=[('id', 'in', Eval('bank_accounts', []))],
         depends=['bank_accounts'])
-    our_bank_accounts = fields.Function(
-        fields.Many2Many('bank.account', None, None, "Our Bank Accounts"),
-        'on_change_with_our_bank_accounts')
     our_bank_account = fields.Many2One(
-        'bank.account', "Our Bank Account",
-        domain=[('id', 'in', Eval('our_bank_accounts', []))],
-        depends=['our_bank_accounts'])
+        'bank.account', "Our Bank Account")
     from_location = fields.Many2One('stock.location', 'From location', required=True,domain=[('type', "!=", 'customer')])
     to_location = fields.Many2One('stock.location', 'To location', required=True,domain=[('type', "!=", 'supplier')])
     shipment_out = fields.Many2One('stock.shipment.out','Sales')
@@ -312,13 +307,6 @@ class Sale(metaclass=PoolMeta):
             return [account.id for account in self.party.bank_accounts]
         return []
 
-    @fields.depends('company', '_parent_company.party')
-    def on_change_with_our_bank_accounts(self, name=None):
-        if (self.company and self.company.party
-                and self.company.party.bank_accounts):
-            return [account.id for account in self.company.party.bank_accounts]
-        return []
-
     @fields.depends(
         'company', 'party', 'invoice_party', 'shipment_party', 'warehouse',
         'payment_term', 'lines', 'bank_account', 'our_bank_account',
diff --git a/modules/purchase_trade/view/purchase_form.xml b/modules/purchase_trade/view/purchase_form.xml
index 1cbc716..af76af5 100755
--- a/modules/purchase_trade/view/purchase_form.xml
+++ b/modules/purchase_trade/view/purchase_form.xml
@@ -80,6 +80,7 @@ this repository contains the full copyright notices and license terms. -->
         </page>
     </xpath>
     <xpath expr="/form/notebook/page[@id='info']/label[@name='invoice_party']" position="before">
+        <field name="bank_accounts" colspan="4" invisible="1"/>
         <label name="bank_account"/>
         <field name="bank_account"/>
         <label name="our_bank_account"/>
diff --git a/modules/purchase_trade/view/sale_form.xml b/modules/purchase_trade/view/sale_form.xml
index 57f491d..39b39a3 100755
--- a/modules/purchase_trade/view/sale_form.xml
+++ b/modules/purchase_trade/view/sale_form.xml
@@ -93,6 +93,7 @@ this repository contains the full copyright notices and license terms. -->
         <field name="incoterm_location"/>
     </xpath>
     <xpath expr="/form/notebook/page[@id='other']/label[@name='company']" position="before">
+        <field name="bank_accounts" colspan="4" invisible="1"/>
         <label name="bank_account"/>
         <field name="bank_account"/>
         <label name="our_bank_account"/>