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Regulations last checked for updates: Dec 16, 2025
Title 50 - Wildlife and Fisheries last revised: Nov 30, 2025
All Titles
Title 50
Chapter IV
Part 450 - PART 450—GENERAL PROVISIONS
§ 450.01 - Definitions
authority:
Endangered Species Act of 1973,
16 U.S.C. 1531
,
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