46 CFR § 78.65-1
Officers
April 15, 2021
All officers on a vessel must have their licenses or officer endorsements conspicuously displayed.
[CGFR 65-50, 30 FR 16955, Dec. 30, 1965, as amended by USCG-2006-24371, 74 FR 11265, Mar. 16, 2009]