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Title 50

Displaying title 50, up to date as of 8/10/2026. Title 50 was last amended 8/06/2026.
There have been changes in the last two weeks to Part 17.
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PART 17—ENDANGERED AND THREATENED WILDLIFE AND PLANTS

Authority:

16 U.S.C. 1361-1407; 1531-1544; and 4201-4245, unless otherwise noted.

Source:

40 FR 44415, Sept. 26, 1975, unless otherwise noted.

Source:

40 FR 44415, Sept. 26, 1975, unless otherwise noted. Redesignated at 85 FR 82388, Dec. 18, 2020.

Source:

40 FR 44415, Sept. 26, 1975. Redesignated at 85 FR 82388, Dec. 18, 2020, and further redesignated at 87 FR 43447, July 21, 2022.

Title 50Wildlife and FisheriesPart / Section
Chapter IUnited States Fish and Wildlife Service, Department of the Interior1 – 92
Subchapter BTaking, Possession, Transportation, Sale, Purchase, Barter, Exportation, and Importation of Wildlife and Plants10 – 24
Part 17Endangered and Threatened Wildlife and Plants17.1 – 17.199
Subpart AIntroduction and General Provisions17.1 – 17.9
§ 17.1Purpose of regulations.
§ 17.2Scope of regulations.
§ 17.3Definitions.
§ 17.4Pre-Act wildlife.
§ 17.5Alaska natives.
§ 17.6 State cooperative agreements. [Reserved]
§ 17.7Raptor exemption.
§ 17.8Import exemption for threatened, CITES Appendix-II wildlife.
§ 17.9Permit applications and information collection requirements.
Subpart BLists17.11 – 17.12
§ 17.11Endangered and threatened wildlife.
§ 17.12Endangered and threatened plants.
Subpart CEndangered Wildlife17.21 – 17.23
§ 17.21Prohibitions.
§ 17.22Permits for endangered species.
§ 17.23Economic hardship permits.
Subpart DThreatened Wildlife17.31 – 17.48
§ 17.31Prohibitions.
§ 17.32Permits for threatened species.
§ 17.40Species-specific rules—mammals.
§ 17.41Species-specific rules—birds.
§ 17.42Species-specific rules—reptiles.
§ 17.43Species-specific rules—amphibians.
§ 17.44Species-specific rules—fishes.
§ 17.45Species-specific rules—snails and clams.
§ 17.46Species-specific rules—crustaceans.
§ 17.47Species-specific rules—insects.
§ 17.48 [Reserved]
Subpart ESimilarity of Appearance17.50 – 17.52
§ 17.50General.
§ 17.51Treatment as endangered or threatened.
§ 17.52Permits—similarity of appearance.
Subpart FEndangered Plants17.61 – 17.63
§ 17.61Prohibitions.
§ 17.62Permits for scientific purposes or for the enhancement of propagation or survival.
§ 17.63Economic hardship permits.
Subpart GThreatened Plants17.71 – 17.78
§ 17.71Prohibitions.
§ 17.72Permits—general.
§ 17.73Species-specific rules—flowering plants.
§ 17.74Species-specific rules—conifers and cycads.
§§ 17.75-17.78 [Reserved]
Subpart HExperimental Populations17.80 – 17.86
§ 17.80Definitions.
§ 17.81Listing.
§ 17.82Prohibitions.
§ 17.83Interagency cooperation.
§ 17.84Species-specific rules—vertebrates.
§ 17.85Species-specific rules—invertebrates.
§ 17.86 [Reserved]
Subpart IInteragency Cooperation17.94 – 17.99
§ 17.94Critical habitats.
§ 17.95Critical habitat—fish and wildlife.
§ 17.96Critical habitat—plants.
§§ 17.97-17.98 [Reserved]
§ 17.99Critical habitat; plants on the Hawaiian Islands.
Subpart JManatee Protection Areas17.100 – 17.199
§ 17.100Purpose.
§ 17.101Scope.
§ 17.102Definitions.
§ 17.103Establishment of protection areas.
§ 17.104Prohibitions.
§ 17.105Permits and exceptions.
§ 17.106Emergency establishment of protection areas.
§ 17.107Facilitating enforcement.
§ 17.108List of designated manatee protection areas.
§§ 17.109-17.199 [Reserved]