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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 14
Chapter I
Part 139
Subpart A - Subpart A—General
§ 139.1 - Applicability.
§ 139.3 - Delegation of authority.
§ 139.5 - Definitions.
§ 139.7 - Methods and procedures for compliance.
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