14 C.F.R. § 21.329
(a) A person may obtain from the FAA an export certificate of airworthiness for an aircraft if—
(1) A new or used aircraft manufactured under subpart F or G of this part meets the requirements under subpart H of this part for a—
(2) A new or used aircraft not manufactured under subpart F or G of this part has a valid—
(b) An aircraft need not meet a requirement specified in paragraph (a) of this section, as applicable, if—
[Docket No. FAA-2006-25877, Amdt. 21-92, 74 FR 53391, Oct. 16, 2009, as amended by Amdt. 21-109, 90 FR 35208, July 24, 2025]