95.045—General operating rules for vessels inspected, or subject to inspection, under Chapter 33 of Title 46 United States Code.
While on board a vessel inspected, or subject to inspection, under Chapter 33 of Title 46 United States Code, a crewmember (including an officer), pilot, or watchstander not a regular member of the crew:
(a)
Shall not perform or attempt to perform any scheduled duties within four hours of consuming any alcohol;
(d)
May consume a legal non-prescription or prescription drug provided the drug does not cause the individual to be intoxicated.