U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 10Chapter IIPart 431Subpart W - Subpart W—Petitions To Exempt State Regulation From Preemption; Petitions To Withdraw Exemption of State Regulation
§ 431.421 - Purpose and scope.
§ 431.422 - Prescriptions of a rule.
§ 431.423 - Filing requirements.
§ 431.424 - Notice of petition.
§ 431.425 - Consolidation.
§ 431.426 - Hearing.
§ 431.427 - Disposition of petitions.
§ 431.428 - Effective dates of final rules.
§ 431.429 - Request for reconsideration.
§ 431.430 - Finality of decision.
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