CFR›Title 14›Chapter II›Part 389›14 CFR Part 389 Subpart A Citation14 CFR Part 389 Subpart AContainsSection § 389.1CorpusDaily eCFRDisplayed edition2026-08-05Last updated2026-08-05 Subpart A—General Provisions Sections § 389.1 § 389.1 Policy and scope. Authority49 U.S.C. 40113, 40114, 41711; 31 U.S.C. 9701; and 5 U.S.C. 552.SourceDoc. No. DOT-OST-2014-0140, 84 FR 15945, Apr. 16, 2019, unless otherwise noted.