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Regulations last checked for updates: Apr 08, 2026
Title 43 - Public Lands: Interior last revised: Jan 01, 1900
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 - § 46.225] - Subpart C—Initiating the NEPA Process
Subpart D - Subparts D-E [Reserved]
authority:
42 U.S.C. 4321-4347.
source:
91 FR 8758, Feb. 24, 2026, unless otherwise noted.
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