CFR›Title 50›Chapter I›Part 10›Subpart A ContainsSections 10.1–10.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—Introduction Sections 10.1 § 10.1 Purpose of regulations. 10.2 § 10.2 Scope of regulations. 10.3 § 10.3 Other applicable laws. 10.4 § 10.4 When regulations apply. Next B Subpart B—Definitions