CFR›Title 14›Chapter II›Part 221›Subpart A ContainsSections 221.1–221.5CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart A—General Sections 221.1 § 221.1 Applicability of this part. 221.2 § 221.2 Carrier's duty. 221.3 § 221.3 Definitions. 221.4 § 221.4 English language. 221.5 § 221.5 Unauthorized air transportation. Next B Subpart B—Who is Authorized To Issue and File Tariffs