Regulations last checked for updates: Mar 12, 2026

Title 49 - Transportation last revised: Mar 10, 2026
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.