Regulations last checked for updates: Jan 26, 2026

Title 33 - Navigation and Navigable Waters last revised: Jan 22, 2026
authority: 43 U.S.C 1333(d)(1), 1347(c), 1348(c); 49 CFR 1.46(z)
source: CGD 79-077, 51 FR 25059, July 10, 1986, unless otherwise noted.