π bund.de
Bundesportal | Apply for participation in the control reporting procedure for relief from withholding taxes
If you owe remuneration for the transfer of rights or certain capital gains, you can apply for authorisation to use the control reporting procedure in order to be able to withhold all or part of the tax under certain conditions.
β https://verwaltung.bund.de/leistungsverzeichnis/en/leistung/99102081099000