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Regulations last checked for updates: Jul 25, 2026
Title 50 - Wildlife and Fisheries last revised: Jul 23, 2026
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Title 50
Chapter IV
Part 424 - PART 424—LISTING ENDANGERED AND THREATENED SPECIES AND DESIGNATING CRITICAL HABITAT
Subpart A [§ 424.01 - § 424.03] - Subpart A—General Provisions
Subpart B [§ 424.10 - § 424.21] - Subpart B—Revision of the Lists
authority:
16 U.S.C. 1531
source:
49 FR 38908, Oct. 1, 1984, unless otherwise noted.
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