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Regulations last checked for updates: May 14, 2025
Title 49 - Transportation last revised: Mar 20, 2025
All Titles
Title 49
Chapter VIII
Part 831 - PART 831—INVESTIGATION PROCEDURES
Subpart A [§ 831.1 - § 831.15] - Subpart A—General
Subpart B [§ 831.20 - § 831.22] - Subpart B—Aviation Investigations
Subpart C [§ 831.30 - § 831.30] - Subpart C—Highway Investigations
Subpart D [§ 831.40 - § 831.40] - Subpart D—Railroad, Pipeline, and Hazardous Materials Investigations
Subpart E [§ 831.50 - § 831.64] - Subpart E—Marine Investigations
authority:
49 U.S.C. 1113
(f)
source:
82 FR 29685, June 29, 2017, unless otherwise noted.
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