### Question
How is the term Merchant mariner credential or MMC defined?


### Answer
The term **Merchant mariner credential or MMC** is defined in *46 CFR § 1.01-05* as the following:

> 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.

#### Citation:
  - *46 CFR § 1.01-05*
  - Heading: **Title 46—Shipping > PART 1—ORGANIZATION, GENERAL COURSE AND METHODS GOVERNING MARINE SAFETY FUNCTIONS > Subpart 1.01—Organization and General Flow of Functions > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY**

