Setting for processnumber (check if entered)
(available from V6.4.812)

Special programs -> System administration -> Manage INI

Here you can choose a setting, if and how you want to work with a processnumber within the payments.

Click on "payments" and "ZV_Vorgang". Now you have some options:

0, processnumber is locked
1, entering of a processnumber with check if entered
2, entering of a processnumber without check if entered