Where to report undeclared work?
Reporting office for undeclared work and wage dumping in the hotel and restaurant industry under Hotline:
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Anyone who suspects illegal workers on construction sites can report their suspicions to the hotline operated by IG Bau.
Calls are accepted on weekdays from 7 a.m. to 8 p.m. and Saturdays from 9 a.m. to 6 p.m. at
08 00/4 42 28 02 (toll-free).

Or send an e-mail to kontrolle@igbau.de.





Information from other areas is also received by both hotlines and forwarded to the relevant authorities for review. In addition, you can also contact the locally responsible lower trade authority (Gewerbeamt). Reports will be treated confidentially upon request.

Competent authorities:
In Germany, the Federal Customs Administration on the one hand and the authorities responsible under state law on the other hand (usually the administrative offices of the administrative districts, independent cities) are responsible for combating undeclared work.

The Customs Department includes the Financial Control of Clandestine Employment (Finanzkontrolle Schwarzarbeit, FKS). The original responsibility of the customs refers to undeclared work in connection with benefit abuse, tax evasion, violation of various notification obligations to the social benefit agency.

The FKS can be contacted in Thuringia at:

Erfurt Main Customs Office
- Financial Control of Clandestine Employment
Am Tannenwäldchen 50
99096 Erfurt

Postal address:
P.O. Box 90 04 06
99107 Erfurt

Telephone: 0361/60 176 - 0
Fax: 0361/ 60 176 - 910
Email: poststelle.hza-erfurt@zoll.bund.de

The fight against illegal employment in Thuringia is coordinated by the Thuringian Ministry of Economics, Labor and Technology on behalf of the authorities responsible under state law. To this end, the regulatory offices cooperate with a wide variety of authorities. These include the main customs offices, trade, labor and social welfare offices, the police, chambers of crafts, employers' liability insurance associations, as well as the tax authorities and pension insurance providers (formerly: LVA, BfA).