204 CMR 19.00:
(1) Every ship shall have a named manager of record whose function and responsibility shall be to oversee and supervise the sale, delivery and dispensing of alcoholic beverages and to see to the adherence by licensee, its employees, including any assistant manager of record, and all others to the provisions of M.G.L. c. 138 and 204 CMR 19.00 and Other Commission Regulations. His or her appointment must be approved by the Commission. The manager must be a citizen of the United States, and over 21 years of age.
(2) If a ship has a capacity of 50 passengers or more, the named manager of record shall be a person other than the Captain.
(3) If the named manager of record cannot be aboard ship at any time alcoholic beverages are served, he or she shall appoint an assistant manager to perform his or her functions during that cruise or other event. The assistant manager must be a citizen of the United States and over 21 years of age.
(4) No ship personnel shall consume alcoholic beverages aboard the ship.