π bund.de
Bundesportal | Notify the Federal Employment Agency of the posting of foreign workers to Germany within the framework of contracts for work and materials
If, as a foreign company, you wish to send foreign workers to Germany for a short period of time for assembly and disassembly work within the framework of contracts for work and materials, you must notify the Federal Employment Agency in advance under certain conditions.
β https://verwaltung.bund.de/leistungsverzeichnis/en/leistung/99011021008000