Regulations last checked for updates: May 17, 2025

Title 33 - Navigation and Navigable Waters last revised: May 06, 2025
authority: Section 321 of Pub. L. 101-640, 74 Stat. 500 (33 U.S.C. 709a)
source: 56 FR 54712, Oct. 22, 1991, unless otherwise noted.