CFR›Title 46›Chapter IV›Part 502›Subpart C ContainsSections 502.41–502.43CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart C—Parties Sections 502.41 § 502.41 Parties; how designated. 502.42 § 502.42 Bureau of Enforcement. 502.43 § 502.43 Substitution of parties. Previous B Subpart B—Appearance and Practice Before the Commission Next D Subpart D—Rulemaking