---
kind: "section"
citation: "46 C.F.R. § 1.01-05"
title: "46"
number: "1.01-05"
heading: "Definitions of terms used in this part."
url: "https://uscodex.org/cfr/46/1.01-05"
---

# §1.01-05. Definitions of terms used in this part.

- (a) The term Commandant means the Commandant of the Coast Guard.
- (b) The term District Commander means an officer of the Coast Guard designated as such by the Commandant to command all Coast Guard activities within a district.
- (c) The term Area Commander means an officer of the Coast Guard designated as such by the Commandant to command all Coast Guard activities within an Area.
- (d) The term Credential means any or all of the following:
  - (1) **Merchant mariner's document.**
  - (2) **Merchant mariner's license.**
  - (3) **STCW endorsement.**
  - (4) **Certificate of registry.**
  - (5) **Merchant mariner credential.**
- (e) The term Merchant mariner credential or MMC means the credential issued by the Coast Guard under [46 CFR part 10](/cfr/46/part10.md). 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.

## Notes

### Amendments

[CGD 88-033, 54 FR 50376, Dec. 6, 1989, as amended by USCG-2006-24520, 71 FR 35818, June 22, 2006; USCG-2006-24371, 74 FR 11213, Mar. 16, 2009]

### Authority

Authority: 5 U.S.C. 552; 14 U.S.C. 503; 46 U.S.C. 7701; 46 U.S.C. Chapter 93; Secs. 101, 888, and 1512, Pub. L. 107-296, 116 Stat. 2135; DHS Delegation No. 00170.1, Revision No. 01.4; § 1.01-35 also issued under the authority of 44 U.S.C. 3507; and § 1.03-55 also issued under the authority of 46 U.S.C. 3306(j).

### Source

Source: CGD 88-033, 54 FR 50376, Dec. 6, 1989, unless otherwise noted.

### Amendments

[CGD 88-033, 54 FR 50376, Dec. 6, 1989, as amended by USCG-2006-24520, 71 FR 35818, June 22, 2006; USCG-2006-24371, 74 FR 11213, Mar. 16, 2009]
