US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter XII — TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITYPart 1540 — CIVIL AVIATION SECURITY: GENERAL RULESSubpart B — Responsibilities of Passengers and Other Individuals and Persons1540.10149 C.F.R. § 1540.101Applicability of this subpart.Last amended: 2016Year: 2026Length: 8 wordsOfficial source Cite as 49 C.F.R. § 1540.101 (2026)This subpart applies to individuals and other persons.Next49 C.F.R. § 1540.103