14 C.F.R. § 21.157 Inspections and tests.
Title 14 - Aeronautics and Space
Each holder of a production certificate shall allow the Administrator to make any inspections and tests necessary to determine compliance with the applicable regulations in this subchapter.
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart G—Production Certificates
§ 21.157 Inspections and tests.