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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 49
Chapter XII
Part 1542 - PART 1542—AIRPORT SECURITY
Subpart A [§ 1542.1 - § 1542.5] - Subpart A—General
Subpart B [§ 1542.101 - § 1542.113] - Subpart B—Airport Security Program
Subpart C [§ 1542.201 - § 1542.221] - Subpart C—Operations
Subpart D [§ 1542.301 - § 1542.307] - Subpart D—Contingency Measures
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