diff --git a/services/registration/pp.csv b/services/registration/pp.csv
index cee8d13..406cc22 100644
--- a/services/registration/pp.csv
+++ b/services/registration/pp.csv
@@ -18,4 +18,4 @@ flag,flag_incorrect_voucher,24,this is set when the selected voucher is invalid
 flag,flag_api_call_error,25,this is set when communication to an external service fails
 flag,flag_no_active_voucher,26,this is set when a user does not have an active voucher
 flag,flag_admin_privilege,27,this is set when a user has admin privileges.
-
+flag,flag_unregistered_number,28,this is set when an unregistered phonenumber tries to perform an action