46 CFR § 42.05-27
Credential
April 15, 2021
As used in this subchapter, credential means any or all of the following:
(a) Merchant mariner's document.
(b) Merchant mariner's license.
(c) STCW endorsement.
(d) Certificate of registry.
(e) Merchant mariner credential.
[USCG-2006-24371, 74 FR 11265, Mar. 16, 2009]