SUBCHAPTER A— (Parts 401–424)
- PART 401—ANADROMOUS FISHERIES CONSERVATION, DEVELOPMENT AND ENHANCEMENT
- PART 402—INTERAGENCY COOPERATION—ENDANGERED SPECIES ACT OF 1973, AS AMENDED
- PART 403—TRANSFER OF MARINE MAMMAL MANAGEMENT AUTHORITY TO STATES
- PART 404—NORTHWESTERN HAWAIIAN ISLANDS MARINE NATIONAL MONUMENT
- PART 424—LISTING ENDANGERED AND THREATENED SPECIES AND DESIGNATING CRITICAL HABITAT