diff --git a/input/tests.py b/input/tests.py
index 8b1d60b..17fd798 100644
--- a/input/tests.py
+++ b/input/tests.py
@@ -63,3 +63,23 @@ class TestWithLogin(TestCase):
 
         obj3 = Project.objects.create(account= acc, name='testproject2', start=startdate)
         self.assertEqual(obj3.project_of_year,3)
+
+    def test_finance_id(self):
+        ''' test if the finance id is resettet ad start of year'''
+        # self.client.login(username='vladimir', password='reiherzehe')
+        acc = Account.objects.create(code='1234', description='blabla')
+        #acc.save()
+        startdate = date(2022,1,1)
+        obj = Project.objects.create(account= acc, name='testproject', start=startdate)
+        #obj.save()
+        # print(f'p_of_year: {obj.project_of_year}')
+        self.assertEqual(obj.finance_id,"1234001")
+
+        obj2 = Project.objects.create(account= acc, name='testproject2', start=startdate)
+        self.assertEqual(obj2.finance_id,"1234002")
+
+        olddate = date(2021,12,31)
+        obj4 = Project.objects.create(account= acc, name='testproject2', start=olddate)
+
+        obj3 = Project.objects.create(account= acc, name='testproject2', start=startdate)
+        self.assertEqual(obj3.finance_id,"1234003")