49 C.F.R. § 176.7 Documentation for vessel personnel.
Title 49 - Transportation
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]
Title 49: Transportation
PART 176—CARRIAGE BY VESSEL
Subpart A—General
§ 176.7 Documentation for vessel personnel.