CFR›Title 50›Chapter IV›Part 452›50 CFR 452.02 Citation50 CFR 452.02CorpusDaily eCFRDisplayed edition2026-10-01Last updated2026-10-01 § 452.02 Definitions.Definitions applicable to this part are contained in 50 CFR 450.01. Previous 452.01 § 452.01 Purpose and scope. Next 452.03 § 452.03 Threshold review and determinations.