14 C.F.R. § 145.5 Certificate and operations specifications requirements.
Title 14 - Aeronautics and Space
(a) No person may operate as a certificated repair station without, or in violation of, a repair station certificate, ratings, or operations specifications issued under this part. (b) The certificate and operations specifications issued to a certificated repair station must be available on the premises for inspection by the public and the FAA.
Title 14: Aeronautics and Space
PART 145—REPAIR STATIONS
Subpart A—General
§ 145.5 Certificate and operations specifications requirements.