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Regulations last checked for updates: Oct 23, 2025
Title 49 - Transportation last revised: Sep 29, 2025
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Title 49
Chapter II
Part 264 - PART 264—ENVIRONMENTAL IMPACT AND RELATED PROCEDURES
§ 264.101 - Cross reference to environmental impact and related procedures.
authority:
42 U.S.C. 4321
source:
79 FR 55403, Sept. 16, 2014, unless otherwise noted.
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