CFR›Title 14›Chapter II›Part 249›Subpart B ContainsSections 249.20–249.21CorpusDaily eCFRDisplayed edition2026-05-07Last updated2026-05-07 Subpart B—Preservation of Records by Carrier Sections 249.20 § 249.20 Preservation of records by certificated air carriers. 249.21 § 249.21 Preservation of records by public charter operators and overseas military personnel charter operators. Previous A Subpart A—General Instructions Next C Subpart C—Regulations Relating to the Truth-in-Lending Act