Regulations last checked for updates: May 17, 2024

Title 33 - Navigation and Navigable Waters last revised: May 15, 2024
authority: 14 U.S.C. 503; 33 U.S.C. 1321,1903,1908; 42 U.S.C. 9615; 46 U.S.C. 6101; E.O. 12580, 3 CFR, 1987 Comp., p. 193; E.O. 12777, 3 CFR, 1991 Comp., p. 351; Department of Homeland Security Delegation No. 0170.1
source: CGD 73-185, 41 FR 12630, Mar. 25, 1976, unless otherwise noted.