CFR›Title 43›Subtitle A›Part 4›Subpart C›Subject Group Purpose, Scope, and Definitions ContainsSections § 4.100–§ 4.101CorpusDaily eCFRDisplayed edition2026-10-08Last updated2026-10-08 Sections § 4.100 § 4.100 Purpose and scope. § 4.101 § 4.101 Definitions. Previous Prehearing Procedures Prehearing Procedures Next Reconsideration, Appeal, and Review Reconsideration, Appeal, and Review