Title 50 - Wildlife and Fisheries
- Chapter I - UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR (§§ 1.1 — 100.28)
- Chapter II - NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE (§§ 200.1 — 296.15)
- Chapter III - INTERNATIONAL FISHING AND RELATED ACTIVITIES (§§ 300.1 — 300.341)
- Chapter IV - JOINT REGULATIONS (UNITED STATES FISH AND WILDLIFE SERVICE, DEPARTMENT OF THE INTERIOR AND NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE); ENDANGERED SPECIES COMMITTEE REGULATIONS (§§ 450.01 — 424.21)
- Chapter V - MARINE MAMMAL COMMISSION (§§ 501.1 — 560.8)
- Chapter VI - FISHERY CONSERVATION AND MANAGEMENT, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE (§§ 600.5 — 697)