# 33 CFR § 155.110: Definitions

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-33-155.110

## Section

- **Citation:** 33 CFR § 155.110
- **Heading:** Definitions
- **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

Except as specifically stated in a section, the definitions in part 151 of this chapter, except for the word “oil”, and in part 154 of this chapter, apply to this part. The following definition also applies to this part:
Merchant mariner credential or MMC means the credential issued by the Coast Guard under 46 CFR part 10. It combines the individual merchant mariner's document, license, and certificate of registry enumerated in 46 U.S.C. subtitle II part E as well as the STCW endorsement into a single credential that serves as the mariner's qualification document, certificate of identification, and certificate of service.
[USCG-2006-24371, 74 FR 11212, Mar. 16, 2009]

## 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)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-33-155.110. Check the current official text before relying on it. Not legal advice.
