49 CFR § 176.7
Documentation for vessel personnel
November 18, 2020
Each owner, operator, master, agent, person in charge, and charterer must ensure that vessel personnel required to have a license, certificate of registry, or merchant mariner's document by 46 CFR parts 10 and 12 possess a license, certificate or document, as appropriate.
[68 FR 23842, May 5, 2003]