Regulations last checked for updates: Dec 17, 2025

Title 14 - Aeronautics and Space last revised: Nov 03, 2025
§ 3.401 - Applicability and definitions.

(a) This subpart applies to any person subject to the requirements in subchapter A (except parts 1 and 3), subchapter C (except part 39), subchapter D, subchapter E (except parts 71 and 73), subchapter F (except parts 95 and 97), subchapter G (except part 110), subchapter H, and subchapter K (except parts 185, 187, 189, and 193), of this chapter.

(b) For purposes of this part, “document in any format” includes documents (electronic or physical), and also other tangible items, such as data plates or marked parts.

authority: 49 U.S.C. 106(f), 40113, 44701-44709, 46111, 46103 and 46301
source: FAA-2003-15062, Amdt. 3-1, 70 FR 54832, Sept. 16, 2005, unless otherwise noted.
cite as: 14 CFR 3.401