Regulations last checked for updates: May 04, 2025

Title 33 - Navigation and Navigable Waters last revised: Apr 29, 2025
§ 157.146 - Similar tank design: Inspections on U.S. tank vessels.

(a) If a U.S. tank vessel has tanks similar in dimensions and internal structure, the owner or operator may submit a written request to the Officer in Charge, Marine Inspection, of the zone in which the COW system is inspected, for only one of those tanks to be inspected under § 157.140(a)(1).

(b) Only one tank of a group of tanks similar in dimensions and internal structure is inspected under § 157.140(a)(1), if the Officer in Charge, Marine Inspection, accepts the request submitted under paragraph (a) of this section.

authority: 33 U.S.C. 1903; 46 U.S.C. 3703,3703a; Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546
source: CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted.
cite as: 33 CFR 157.146