{"data":{"id":"us/49-cfr-1540.1","jurisdiction":"us","citation":"49 CFR 1540.1","heading":"Applicability of this subchapter and this part.","body":"This subchapter and this part apply to persons engaged in aviation-related activities.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER XII—TRANSPORTATION SECURITY ADMINISTRATION, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER C—CIVIL AVIATION SECURITY","PART 1540—CIVIL AVIATION SECURITY: GENERAL RULES","Subpart A—General"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"1aea47652e9c1aa3ab9c91de940ec550f4d627f9af78aee8f6215372d8e61434","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-1520.19","next":"us/49-cfr-1540.3"},"notice":"GroundRules: Original legal text. Not legal advice."}