CFR›Title 40›Chapter I›Part 312›Subpart B ContainsSections 312.10–312.11CorpusDaily eCFRDisplayed edition2026-05-18Last updated2026-05-18 Subpart B—Definitions and References Sections 312.10 § 312.10 Definitions. 312.11 § 312.11 References. Previous A Subpart A—Introduction Next C Subpart C—Standards and Practices