# 33 C.F.R. § 155.110 (2026): Definitions

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T33_P155_S155_110

## Section

- **Citation:** 33 C.F.R. § 155.110 (2026)
- **Heading:** Definitions
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 33 CFR: Navigation and Navigable Waters / Chapter I: COAST GUARD, DEPARTMENT OF HOMELAND SECURITY / Part 155: OIL OR HAZARDOUS MATERIAL POLLUTION PREVENTION REGULATIONS FOR VESSELS / Subpart A: General / § 155.110: § 155.110   Definitions.

## 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 C.F.R. § 155.100 (2026) § 155.100   Applicability.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P155_S155_100.md)
- [33 C.F.R. § 155.110 (2026) § 155.110   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P155_S155_110.md)
- [33 C.F.R. § 155.120 (2026) § 155.120   Equivalents.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P155_S155_120.md)
- [33 C.F.R. § 155.130 (2026) § 155.130   Exemptions.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P155_S155_130.md)
- [33 C.F.R. § 155.140 (2026) § 155.140   Incorporation by reference.](https://www.frixlaw.com/law-library/statutes/CFR_T33_P155_S155_140.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T33_P155_S155_110. Check the current official text before relying on it. Not legal advice.