U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 49Chapter IIIPart 397Subpart E - Subpart E—Preemption Procedures
§ 397.201 - Purpose and scope of the procedures.
§ 397.203 - Standards for determining preemption.
§ 397.205 - Preemption application.
§ 397.207 - Preemption notice.
§ 397.209 - Preemption processing.
§ 397.211 - Preemption determination.
§ 397.213 - Waiver of preemption application.
§ 397.215 - Waiver notice.
§ 397.217 - Waiver processing.
§ 397.219 - Waiver determination and order.
§ 397.221 - Timeliness.
§ 397.223 - Petition for reconsideration.
§ 397.225 - Judicial review.
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