14 C.F.R. § 21.215 Application.
Title 14 - Aeronautics and Space
Applications for provisional airworthiness certificates must be submitted to the Manufacturing Inspection District Office in the geographic area in which the manufacturer or air carrier is located. The application must be accompanied by the pertinent information specified in this subpart. [Amdt. 21–67, 54 FR 39291, Sept. 25, 1989; 54 FR 52872, Dec. 22, 1989]
Title 14: Aeronautics and Space
PART 21—CERTIFICATION PROCEDURES FOR PRODUCTS AND PARTS
Subpart I—Provisional Airworthiness Certificates
§ 21.215 Application.