diff --git a/account_banking_pain_base/models/account_payment_line.py b/account_banking_pain_base/models/account_payment_line.py
index 9ecf53d86..f599860e9 100644
--- a/account_banking_pain_base/models/account_payment_line.py
+++ b/account_banking_pain_base/models/account_payment_line.py
@@ -15,6 +15,10 @@ class AccountPaymentLine(models.Model):
         string='Priority', default='NORM',
         help="This field will be used as 'Instruction Priority' in "
              "the generated PAIN file.")
+    # local_instrument is used in some countries, for example
+    # switzerland, cf l10n_ch_sepa that adds some entries in
+    # the selection field
+    local_instrument = fields.Selection([], string='Local Instrument')
     # PAIN allows 140 characters
     communication = fields.Char(size=140)
     # The field struct_communication_type has been dropped in v9
diff --git a/account_banking_pain_base/models/bank_payment_line.py b/account_banking_pain_base/models/bank_payment_line.py
index 7885d701a..bf802ce6e 100644
--- a/account_banking_pain_base/models/bank_payment_line.py
+++ b/account_banking_pain_base/models/bank_payment_line.py
@@ -10,10 +10,13 @@ class BankPaymentLine(models.Model):
 
     priority = fields.Selection(
         related='payment_line_ids.priority', string='Priority')
+    local_instrument = fields.Selection(
+        related='payment_line_ids.local_instrument',
+        string='Local Instrument')
 
     @api.model
     def same_fields_payment_line_and_bank_payment_line(self):
         res = super(BankPaymentLine, self).\
             same_fields_payment_line_and_bank_payment_line()
-        res += ['priority']
+        res += ['priority', 'local_instrument']
         return res
diff --git a/account_banking_pain_base/views/account_payment_line.xml b/account_banking_pain_base/views/account_payment_line.xml
index 6adab6916..640175857 100644
--- a/account_banking_pain_base/views/account_payment_line.xml
+++ b/account_banking_pain_base/views/account_payment_line.xml
@@ -14,6 +14,7 @@
     <field name="arch" type="xml">
         <field name="communication_type" position="before">
             <field name="priority"/>
+            <field name="local_instrument" invisible="1"/>
         </field>
     </field>
 </record>
diff --git a/account_banking_pain_base/views/bank_payment_line_view.xml b/account_banking_pain_base/views/bank_payment_line_view.xml
index 17d4e3049..672e4bbbe 100644
--- a/account_banking_pain_base/views/bank_payment_line_view.xml
+++ b/account_banking_pain_base/views/bank_payment_line_view.xml
@@ -14,6 +14,7 @@
     <field name="arch" type="xml">
         <field name="partner_bank_id" position="after">
             <field name="priority"/>
+            <field name="local_instrument" invisible="1"/>
         </field>
     </field>
 </record>
diff --git a/account_banking_sepa_credit_transfer/models/account_payment_order.py b/account_banking_sepa_credit_transfer/models/account_payment_order.py
index 5f6579a3a..790f73d6a 100644
--- a/account_banking_sepa_credit_transfer/models/account_payment_order.py
+++ b/account_banking_sepa_credit_transfer/models/account_payment_order.py
@@ -81,27 +81,29 @@ class AccountPaymentOrder(models.Model):
         transactions_count_1_6 = 0
         amount_control_sum_1_7 = 0.0
         lines_per_group = {}
-        # key = (requested_date, priority)
+        # key = (requested_date, priority, local_instrument)
         # values = list of lines as object
         for line in self.bank_line_ids:
             priority = line.priority
+            local_instrument = line.local_instrument
             # The field line.date is the requested payment date
             # taking into account the 'date_prefered' setting
             # cf account_banking_payment_export/models/account_payment.py
             # in the inherit of action_open()
-            key = (line.date, priority)
+            key = (line.date, priority, local_instrument)
             if key in lines_per_group:
                 lines_per_group[key].append(line)
             else:
                 lines_per_group[key] = [line]
-        for (requested_date, priority), lines in lines_per_group.items():
+        for (requested_date, priority, local_instrument), lines in\
+                lines_per_group.items():
             # B. Payment info
             payment_info_2_0, nb_of_transactions_2_4, control_sum_2_5 = \
                 self.generate_start_payment_info_block(
                     pain_root,
                     "self.name + '-' "
                     "+ requested_date.replace('-', '')  + '-' + priority",
-                    priority, False, False, requested_date, {
+                    priority, local_instrument, False, requested_date, {
                         'self': self,
                         'priority': priority,
                         'requested_date': requested_date,