{"data":{"id":"us/49-cfr-1542.1","jurisdiction":"us","citation":"49 CFR 1542.1","heading":"Applicability of this part.","body":"This part describes aviation security rules governing:\n(a) The operation of airports regularly serving aircraft operations required to be under a security program under part 1544 of this chapter, as described in this part.\n(b) The operation of airport regularly serving foreign air carrier operations required to be under a security program under part 1546 of this chapter, as described in this part.\n(c) Each airport operator that receives a Security Directive or Information Circular and each person who receives information from a Security Directive or Information Circular issued by the Designated official for Civil Aviation Security.\n(d) Each airport operator that does not have a security program under this part that serves an aircraft operator operating under a security program under part 1544 of this chapter, or a foreign air carrier operating under a security program under part 1546 of this chapter. Such airport operators must comply with § 1542.5(e).","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 1542—AIRPORT SECURITY","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":"aef0e7b51504ac5b2a0c183ddcfeffd304675bb740ee6665b2e37df187d636b4","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-1540.303","next":"us/49-cfr-1542.3"},"notice":"GroundRules: Original legal text. Not legal advice."}