diff --git a/fet2020/finance/models.py b/fet2020/finance/models.py
index 289dc87d..16ad3f05 100644
--- a/fet2020/finance/models.py
+++ b/fet2020/finance/models.py
@@ -131,6 +131,7 @@ class Bill(models.Model):
     class Affiliation(models.TextChoices):
         VEREIN = "V", "Vereinsbudget"
         OFFICIAL = "B", "Offizielles Budget"
+        REPRESENTATION = "R", "Bundesvertretung"
 
     affiliation = models.CharField(
         max_length=1, choices=Affiliation.choices, verbose_name="Abrechnungsbudget"