Cal. Business and Professions Code § 24045.14

(a) Notwithstanding any other provision of this division, the department may issue an on-sale general license to any maritime museum association that has been organized as a nonprofit corporation more than 40 years before the date of application, that owns in its museum inventory not less than three vessels, each of which is 100 feet or more in length, and that is exempt from the payment of income taxes under Section 501(c)(3) of the Internal Revenue Code of 1986. (b) A maritime museum association holding a license under this section may sell and serve alcoholic beverages only to persons attending prearranged events held onboard its vessels while those vessels are underway or while moored at their home port dock. (c) A duplicate license shall be required for each vessel in excess of one if alcoholic beverages are sold on the vessel more than 24 times each year. (d) Original licenses may be issued pursuant to this section until January 1, 1998.