π bund.de
Bundesportal | Apply for authorization for airworthiness personnel acting on their own behalf (IARS)
If you wish to act as airworthiness personnel in your own name, you can apply for, extend or renew your authorization (IARS authorization) under certain conditions.
β https://verwaltung.bund.de/leistungsverzeichnis/en/leistung/99080066001000