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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 26
Chapter I
Part 31
Subpart A - Subpart A—Introduction
§ 31.0-1 - Introduction.
§ 31.0-2 - General definitions and use of terms.
§ 31.0-3 - Scope of regulations.
§ 31.0-4 - Extent to which the regulations in this part supersede prior regulations.
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