US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter XII — TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITYPart 1500 — APPLICABILITY, TERMS, AND ABBREVIATIONS1500.149 C.F.R. § 1500.1Applicability.Last amended: 2016Year: 2026Length: 17 wordsOfficial source Cite as 49 C.F.R. § 1500.1 (2026)This chapter, this subchapter, and this part apply to all matters regulated by the Transportation Security Administration.Next49 C.F.R. § 1500.3