Regulations last checked for updates: May 17, 2025

Title 33 - Navigation and Navigable Waters last revised: May 06, 2025
authority: 46 U.S.C. 4302,4308,4311; Pub. L. 103-206, 107 Stat. 2439
source: CGD 72-71R, 37 FR 13347, July 7, 1972, unless otherwise noted.