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Regulations last checked for updates: Feb 21, 2025
Title 40 - Protection of Environment last revised: Nov 21, 2025
All Titles
Title 40
Chapter I
Part 54 - PART 54—PRIOR NOTICE OF CITIZEN SUITS
§ 54.1 - Purpose.
§ 54.2 - Service of notice.
§ 54.3 - Contents of notice.
authority:
Sec. 304 of the Clean Air Act, as amended (sec. 12, Pub. L. 91-604, 84 Stat. 1706)
source:
36 FR 23386, Dec. 9, 1971, unless otherwise noted.
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