eCFR Atlas Federal regulation map

Updated 2026-09-30 API

Title 50

Wildlife and Fisheries

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Words

3,349,162

Structure

6

chapters · 100 parts · 3,213 sections

Last amended

September 29, 2026

Issued September 29, 2026

Agencies

4

hold references inside this title

Administered by

Chapters

Chapter I — Chapter I—United States Fish and Wildlife Service, Department of the Interior

1,399,550 43 parts

United States Fish and Wildlife Service, Department of Interior
Chapter II — Chapter II—National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Department of Commerce

541,192 23 parts

National Oceanic and Atmospheric Administration National Marine Fisheries Service, Department of Commerce
Chapter III — Chapter III—International Fishing and Related Activities

122,738 2 parts

National Oceanic and Atmospheric Administration, Department of Commerce
Chapter IV — 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

37,574 11 parts

United States Fish and Wildlife Service, Department of Interior · National Oceanic and Atmospheric Administration, Department of Commerce
Chapter V — Chapter V—Marine Mammal Commission

11,985 9 parts

Marine Mammal Commission
Chapter VI — Chapter VI—Fishery Conservation and Management, National Oceanic and Atmospheric Administration, Department of Commerce

1,236,123 12 parts

United States Fish and Wildlife Service, Department of Interior