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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
All Titles
Title 20
Chapter III
Part 401
Subpart A - Subpart A—General
§ 401.5 - Purpose of the regulations.
§ 401.10 - Applicability.
§ 401.15 - Limitations on scope.
§ 401.20 - Scope.
§ 401.25 - Terms defined.
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