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Regulations last checked for updates: Dec 18, 2025
Title 50 - Wildlife and Fisheries last revised: Dec 12, 2025
All Titles
Title 50
Chapter I
Part 17-ENDANGERED - PART 17-ENDANGERED AND THREATENED WILDLIFE AND PLANTS
Subpart A [§ 17.1 - § 17.9] - Subpart A-Introduction and General Provisions
Subpart B [§ 17.11 - § 17.12] - Subpart B-Lists
Subpart C [§ 17.21 - § 17.23] - Subpart C-Endangered Wildlife
Subpart D [§ 17.31 - § 17.48] - Subpart D-Threatened Wildlife
Subpart E [§ 17.50 - § 17.52] - Subpart E-Similarity of Appearance
Subpart F [§ 17.61 - § 17.63] - Subpart F-Endangered Plants
Subpart G [§ 17.71 - § 17.78] - Subpart G-Threatened Plants
Subpart H [§ 17.80 - § 17.86] - Subpart H-Experimental Populations
Subpart I [§ 17.94 - § 17.95] - Subpart I-Interagency Cooperation
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.
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