U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 49Chapter IIPart 221Subpart A - Subpart A—General
§ 221.1 - Scope.
§ 221.3 - Application.
§ 221.5 - Definitions.
§ 221.7 - Civil penalty.
§ 221.9 - Waivers.
§ 221.11 - State regulation.
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