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Regulations last checked for updates: Jan 14, 2026
Title 40 - Protection of Environment last revised: Dec 31, 2026
All Titles
Title 40
Chapter IX
Part 1900 - PART 1900—FEDERAL PERMITTING IMPROVEMENT
§ 1900.1 - Definitions.
§ 1900.2 - FAST-41 sectors.
authority:
42 U.S.C. 4370m
source:
86 FR 1287, Jan. 8, 2021, unless otherwise noted.
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