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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Sep 16, 2025
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Title 31
Part 50
Subpart A - Subpart A—General Provisions
§ 50.1 - Authority, purpose, and scope.
§ 50.2 - Responsible office.
§ 50.3 - Mandatory participation in program.
§ 50.4 - Definitions.
§ 50.5 - Rule of construction for dates.
§ 50.6 - Special rules for Interim Guidance safe harbors.
§ 50.7 - Procedure for requesting determinations of controlling influence.
§ 50.8 - Procedure for requesting general interpretations of statute.
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