US lawFederal (United States)RegulationsTitle 49 CFR — TransportationChapter XII — TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITYPart 1503 — INVESTIGATIVE AND ENFORCEMENT PROCEDURESSubpart A — General1503.149 C.F.R. § 1503.1Scope.Last amended: 2016Year: 2026Length: 10 wordsOfficial source Cite as 49 C.F.R. § 1503.1 (2026)This part provides information on TSA's investigative and enforcement procedures.Next49 C.F.R. § 1503.3