Regulations last checked for updates: May 14, 2025

Title 49 - Transportation last revised: Mar 20, 2025
All TitlesTitle 49Chapter IIPart 270Subpart D - Subpart D—System Safety Program Internal Assessments and External Auditing
authority: 49 U.S.C. 20103,20106,20118,20156,21301,21304,21311; 28 U.S.C. 2461,note; and 49 CFR 1.89
source: 81 FR 53896, Aug. 12, 2016, unless otherwise noted.
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