46 CFR § 4.03-75 - Merchant mariner credential and credential.

---
identifier: "/us/cfr/t46/s4.03-75"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 4.03-75 - Merchant mariner credential and credential."
title_number: 46
title_name: "Shipping"
section_number: "4.03-75"
section_name: "Merchant mariner credential and credential."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "A"
subchapter_name: "PROCEDURES APPLICABLE TO THE PUBLIC"
part_number: "4"
part_name: "MARINE CASUALTIES AND INVESTIGATIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 102; 43 U.S.C. 1333; 46 U.S.C. 2103, 2303A, 2306, 6101, 6301, 6305, 70034; 50 U.S.C. 198; DHS Delegation 00170.1, Revision No. 01.4. Subpart 4.40 issued under 49 U.S.C. 1131(a)(1)(E)."
regulatory_source: "CGD 74-119, 39 FR 33317, Sept. 17, 1974, unless otherwise noted."
cfr_part: "4"
---


# 4.03-75 Merchant mariner credential and credential.

The following definitions apply to this part:

*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.

*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 11214, Mar. 16, 2009]