---
kind: "section"
citation: "33 C.F.R. § 157.146"
title: "33"
number: "157.146"
heading: "Similar tank design: Inspections on U.S. tank vessels."
url: "https://uscodex.org/cfr/33/157.146"
---

# §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)](/cfr/33/157.140.md?p=a-1).
- (b) Only one tank of a group of tanks similar in dimensions and internal structure is inspected under [§ 157.140(a)(1)](/cfr/33/157.140.md?p=a-1), if the Officer in Charge, Marine Inspection, accepts the request submitted under [paragraph (a)](#a) of this section.

## Notes

### Source

Source: CGD 77-058b, 45 FR 43709, June 30, 1980, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); 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

Source: CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted.