Regulations last checked for updates: Feb 07, 2026

Title 33 - Navigation and Navigable Waters last revised: Feb 03, 2026
authority: 46 U.S.C. 70034; DHS Delegation No. 00170.1, Revision No. 01.3
source: CGD 75-082, 42 FR 51759, Sept. 29, 1977, unless otherwise noted.