What is the Fragebogen zur steuerlichen Erfassung?

The Fragebogen zur steuerlichen Erfassung is a form you must fill to declare your business to the German tax office (Finanzamt). This is how you become a freelancer or start a business in Germany.

See this guide for instructions on how to fill the Fragebogen zur steuerlichen Erfassung. An English translation of this form is available here.