diff --git a/br_stock_account/models/account_invoice.py b/br_stock_account/models/account_invoice.py
index 666746ad0..4901ea010 100644
--- a/br_stock_account/models/account_invoice.py
+++ b/br_stock_account/models/account_invoice.py
@@ -15,10 +15,9 @@ class AccountInvoice(models.Model):
     @api.multi
     def copy(self, default=None):
         new_acc_inv = super(AccountInvoice, self).copy(default)
-        if self.fiscal_position_type == 'import':
-            for i in range(len(new_acc_inv.invoice_line_ids)):
-                new_acc_inv.invoice_line_ids[i].import_declaration_ids = \
-                    self.invoice_line_ids[i].import_declaration_ids
+        for i in range(len(new_acc_inv.invoice_line_ids)):
+            new_acc_inv.invoice_line_ids[i].import_declaration_ids = \
+                self.invoice_line_ids[i].import_declaration_ids
         return new_acc_inv
 
     @api.one