---
kind: "section"
citation: "33 C.F.R. § 151.19"
title: "33"
number: "151.19"
heading: "International Oil Pollution Prevention (IOPP) Certificates."
url: "https://uscodex.org/cfr/33/151.19"
---

# §151.19. International Oil Pollution Prevention (IOPP) Certificates.

- (a) Each U.S. oil tanker of 150 gross tons and above and each other U.S. ship of 400 gross tons and above; that engages in voyages to ports or off-shore terminals under the jurisdiction of other parties to MARPOL 73/78 must have on board a valid International Oil Pollution Prevention (IOPP) Certificate.
- (b) Each oil tanker of 150 gross tons and above and each other ship of 400 gross tons and above, operated under the authority of a country other than the United States that is party to MARPOL 73/78, must have on board a valid IOPP Certificate.
- (c) An IOPP Certificate is issued by a COTP, OCMI, or a classification society authorized under [46 CFR part 8](/cfr/46/part8.md), after a satisfactory survey in accordance with the provisions of [§ 151.17](/cfr/33/151.17.md).
- (d) The Supplement to the IOPP Certificate is a part of the IOPP Certificate and must remain attached to that Certificate. If the Supplement to the Certificate is changed, a new IOPP Certificate will be required.
- (e) The IOPP Certificate for each inspected or uninspected ship is valid for a maximum period of 5 years from the date of issue, except as follows:
  - (1) A Certificate ceases to be valid if significant alterations have taken place in the construction, equipment, fittings, or arrangements required by the pollution prevention requirements of parts [155](/cfr/33/part155.md) or [157](/cfr/33/part157.md) of this chapter without the approval of the COTP or the OCMI.
  - (2) A Certificate ceases to be valid if intermediate surveys as required by [§ 151.17](/cfr/33/151.17.md) of this part are not carried out.
  - (3) A Certificate issued to a ship ceases to be valid upon transfer of the ship to the flag of another country.

## Notes

### Amendments

[CGD 75-124a, 48 FR 45709, Oct. 6, 1983, as amended by CGD 95-010, 62 FR 67531, Dec. 24, 1997; USCG-1998-3799, 63 FR 35530, June 30, 1998; USCG-2000-7223, 65 FR 40057, June 29, 2000; USCG-2000-7641, 66 FR 55571, Nov. 2, 2001; USCG-2006-25150, 71 FR 39209, July 12, 2006]

### Source

Source: Sections 151.09 through 151.25 appear by CGD 75-124a, 48 FR 45709, Oct. 6, 1983, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1321, 1903, 1908; 46 U.S.C. 6101; Pub. L. 104-227 (110 Stat. 3034); E.O. 12777, 3 CFR, 1991 Comp. p. 351; Department of Homeland Security Delegation No. 170.1.

### Source

Source: CGD 75-124a, 48 FR 45709, Oct. 6, 1983, unless otherwise noted.

### Authority

Authority: 33 U.S.C. 1902, 1903, 1908; 46 U.S.C. 6101; 46 U.S.C. 70034; Pub. L. 104-227, 110 Stat. 3034; sec. 623, Pub. L. 108-293, 118 Stat. 1063; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; DHS Delegation No. 00170.1, Revision No. 01.4.

### Amendments

[CGD 75-124a, 48 FR 45709, Oct. 6, 1983, as amended by CGD 95-010, 62 FR 67531, Dec. 24, 1997; USCG-1998-3799, 63 FR 35530, June 30, 1998; USCG-2000-7223, 65 FR 40057, June 29, 2000; USCG-2000-7641, 66 FR 55571, Nov. 2, 2001; USCG-2006-25150, 71 FR 39209, July 12, 2006]