π bund.de
Bundesportal | Issue and submit certificate of employment or certificate of secondary income
If your employees or the BA require a certificate of employment, you must send this to the BA. The same applies to a secondary income certificate if employees or persons working for you on a self-employed basis have applied for or are receiving current cash benefits.
β https://verwaltung.bund.de/leistungsverzeichnis/en/leistung/99007040261000