# 33 CFR § 155.120: Equivalents

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-33-155.120

## Section

- **Citation:** 33 CFR § 155.120
- **Heading:** Equivalents
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 33—Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER O—POLLUTION > PART 155—OIL OR HAZARDOUS MATERIAL POLLUTION PREVENTION REGULATIONS FOR VESSELS > Subpart A—General

## Text

(a) For ships required to be surveyed under § 151.17 of this chapter, the Commandant may, upon receipt of a written request, allow any fitting, material, appliance or apparatus to be fitted in a ship as an alternative to that required by both MARPOL 73/78 and subpart B of this part if such fitting, material, appliance, or apparatus is at least as effective as that required by subpart B. Substitution of operational methods to control the discharge of oil in place of those design and construction features prescribed by MARPOL 73/78 that are also prescribed by subpart B of this part is not allowed.
(b) Any equivalent to a feature prescribed by MARPOL 73/78 that is authorized for a ship having an IOPP Certificate is noted on that Certificate.
(c) For tank vessels required to have overfill devices installed under parts 155 and 156 of this chapter, the Commandant may, upon receipt of a written request, allow any fitting, material, appliance, or apparatus to be fitted in a tank vessel as an alternative to the required overfill device(s) that are specified in these parts if the proposed alternative device is at least as effective as that required in the regulations.
[CGD 75-124a, 48 FR 45714, Oct. 6, 1983, as amended by CGD 90-071a, 59 FR 53290, Oct. 21, 1994]

## Nearby sections

- [33 CFR § 155.100 § 155.100 Applicability.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.100.md)
- [33 CFR § 155.110 § 155.110 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.110.md)
- [33 CFR § 155.120 § 155.120 Equivalents.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.120.md)
- [33 CFR § 155.130 § 155.130 Exemptions.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.130.md)
- [33 CFR § 155.140 § 155.140 Incorporation by reference.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.140.md)
- [33 CFR § 155.200 § 155.200 Definitions.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.200.md)
- [33 CFR § 155.205 § 155.205 Discharge removal equipment for vessels 400 feet or greater in length.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.205.md)
- [33 CFR § 155.210 § 155.210 Discharge removal equipment for vessels less than 400 feet in length.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.210.md)
- [33 CFR § 155.215 § 155.215 Discharge removal equipment for inland oil barges.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.215.md)
- [33 CFR § 155.220 § 155.220 Discharge removal equipment for vessels carrying oil as secondary cargo.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.220.md)
- [33 CFR § 155.225 § 155.225 Internal cargo transfer capability.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.225.md)
- [33 CFR § 155.230 § 155.230 Emergency control systems for tank barges.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.230.md)
- [33 CFR § 155.235 § 155.235 Emergency towing capability for oil tankers.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.235.md)
- [33 CFR § 155.240 § 155.240 Damage stability information for oil tankers and offshore oil barges.](https://www.frixlaw.com/law-library/statutes/ecfr-33-155.240.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-33-155.120. Check the current official text before relying on it. Not legal advice.