Regulations last checked for updates: May 23, 2025

Title 49 - Transportation last revised: May 21, 2025
authority: 18 U.S.C. 842,845; 46 U.S.C. 70105; 49 U.S.C. 114,5103a,40113,and; Pub. L. 108-90 (117 Stat. 1156, Oct. 1, 2003), sec. 520 (6 U.S.C. 469), as amended by Pub. L. 110-329 (122 Stat. 3689, Sept. 30, 2008) sec. 543 (6 U.S.C. 469); Pub. L. 110-53 (121 Stat. 266, Aug. 3, 2007) secs. 1402 (6 U.S.C. 1131), 1405 (6 U.S.C. 1134), 1408 (6 U.S.C. 1137), 1413 (6 U.S.C. 1142), 1414 (6 U.S.C. 1143), 1501 (6 U.S.C. 1151), 1512 (6 U.S.C. 1162), 1517 (6 U.S.C. 1167), 1522 (6 U.S.C. 1170), 1531 (6 U.S.C. 1181), and 1534 (6 U.S.C. 1184)
source: 85 FR 16499, Mar. 23, 2020, unless otherwise noted.