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Regulations last checked for updates: Jan 08, 2026
Title 43 - Public Lands: Interior last revised: Dec 18, 2025
All Titles
Title 43
Part 46 - PART 46—IMPLEMENTATION OF THE NATIONAL ENVIRONMENTAL POLICY ACT OF 1969
Subpart A - Subpart A [Reserved]
Subpart B [§ 46.105 - § 46.150] - Subpart B—Protection and Enhancement of Environmental Quality
Subpart C [§ 46.205 - § 46.215] - Subpart C—Initiating the NEPA Process
Subpart D - Subpart D [Reserved]
Subpart E - Subpart E [Reserved]
authority:
42 U.S.C. 4321-4347.
source:
90 FR 29504, July 3, 2025, unless otherwise noted.
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