---
kind: "section"
citation: "33 C.F.R. § 157.500"
title: "33"
number: "157.500"
heading: "Purpose and applicability."
url: "https://uscodex.org/cfr/33/157.500"
---

# §157.500. Purpose and applicability.

- (a) The purpose of this subpart is to establish mandatory safety and operational requirements to reduce environmental damage resulting from the discharge of animal fat or vegetable oil.
- (b) This subpart applies to each tank vessel specified in [§ 157.01](/cfr/33/157.01.md) of this part that—
  - (1) Is 5,000 gross tons or more;
  - (2) Carries animal fat or vegetable oil in bulk as cargo or cargo residue; and
  - (3) Is not equipped with a double hull meeting [§ 157.10d](/cfr/33/157.10d.md) of this part, or an equivalent to the requirements of [§ 157.10d](/cfr/33/157.10d.md), but required to be equipped with a double hull at a date set forth in 46 U.S.C. [3703a (b)(3)](/usc/46/3703a.md?p=b-3) and [(c)(3)](/usc/46/3703a.md?p=c-3).

## Notes

### Source

Source: CGD 91-045, 61 FR 39791, July 30, 1996, 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.