Regulations last checked for updates: May 24, 2025

Title 33 - Navigation and Navigable Waters last revised: May 22, 2025
§ 158.500 - Draining cargo area and piping systems.

The person in charge shall ensure that each cargo hose and each piping system containing NLS received from each oceangoing ship carrying NLS cargo is not drained back into the ship.

§ 158.520 - Following the instruction manual.

The person in charge shall ensure that the instruction manual under § 158.330(b) is followed during the transfer of any NLS.

authority: 33 U.S.C. 1903(b), 1905(c); 49 CFR 1.46
cite as: 33 CFR 158.500