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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 A
Part 1
Subpart A - Subpart A—General
§ 1.1 - Overview.
§ 1.2 - Organization of the Department.
§ 1.3 - Exercise of authority.
§ 1.4 - Construction.
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