diff --git a/ncf_manager.py b/ncf_manager.py
index fa74e8e..df5cefa 100644
--- a/ncf_manager.py
+++ b/ncf_manager.py
@@ -308,7 +308,10 @@ class NCFManagerSequences(Workflow, ModelSQL, ModelView):
 
     ncf_sequences = fields.Many2One('ir.sequence.strict', 'Fiscal Sequence',
         domain=[
-            ('company', '=', Eval('company', -1)),
+            ['OR',
+                ('company', '=', Eval('company', -1)),
+                ('company', '=', None),
+                ],
             If(Eval('state') == 'draft',
                 ('prefix', '=', Eval('expected_prefix')),
                 ()),
@@ -499,7 +502,7 @@ class NCFManagerSequences(Workflow, ModelSQL, ModelView):
         if self.ncf_type == '99':
             raise UserError(gettext(
                 'ncf_manager.msg_ncf_non_fiscal_sequence'))
-        if sequence.company != self.pos.company:
+        if sequence.company and sequence.company != self.pos.company:
             raise UserError(gettext(
                 'ncf_manager.msg_ncf_sequence_company_mismatch'))
         expected_prefix = ncf_prefix(self.ncf_type)
diff --git a/tests/test_module.py b/tests/test_module.py
index 43b57ec..c10b710 100644
--- a/tests/test_module.py
+++ b/tests/test_module.py
@@ -332,6 +332,48 @@ class NcfManagerTestCase(ModuleTestCase):
         self.assertEqual(manager.ncf_sequences[0].state, 'finished')
         self.assertIsNotNone(manager.finished_at)
 
+    @with_transaction()
+    def test_global_fiscal_sequence_can_be_assigned_to_manager(self):
+        'Global fiscal sequences can be attached to a company authorization'
+        pool = Pool()
+        Manager = pool.get('ncf.manager')
+        ManagerSequence = pool.get('ncf.manager.sequence')
+        ModelData = pool.get('ir.model.data')
+        StrictSequence = pool.get('ir.sequence.strict')
+        SequenceType = pool.get('ir.sequence.type')
+        today = datetime.date.today()
+        company = self._create_company()
+
+        sequence_type = SequenceType(ModelData.get_id(
+                'ncf_manager', 'sequence_type_out_invoice_01'))
+        strict_sequence, = StrictSequence.create([{
+                    'name': 'Factura de Crédito Fiscal',
+                    'sequence_type': sequence_type.id,
+                    'prefix': 'B01',
+                    'padding': 8,
+                    'number_next': 1,
+                    'number_increment': 1,
+                    'from_number': 1,
+                    'until_number': 100,
+                    'expiration_date': datetime.date(today.year, 12, 31),
+                    }])
+        manager, = Manager.create([{
+                    'company': company.id,
+                    'app_date': today,
+                    'app_number': 'APP0000001',
+                    'auth_number': 'AUT0000001',
+                    }])
+
+        line, = ManagerSequence.create([{
+                    'pos': manager.id,
+                    'invoice_type': 'invoice_customer',
+                    'ncf_type': '1',
+                    'sequence_mode': 'existing',
+                    'ncf_sequences': strict_sequence.id,
+                    }])
+
+        self.assertEqual(line.ncf_sequences, strict_sequence)
+
     @with_transaction()
     def test_overlap_is_independent_by_invoice_direction(self):
         'A supplier range must not block the company outgoing authorization'