Cal. Bus. & Prof. Code § 24045.16
Notwithstanding any other provision of this division, the department may issue an on-sale general bona fide public eating place license as defined by Section 23038 to any nonprofit charitable arts trust that is exempt from the payment of income taxes under Section 501(c)(3) of the Internal Revenue Code of 1986, as amended. For the purposes of this section, "arts trust" means an entity devoted to the arts and humanities which operates two or more museums, one of which is located on a site of at least 100 acres, and is within a facility of not less than 450,000 square feet in the County of Los Angeles.
An arts trust holding a license under this section may, subject to Section 25631, sell and serve alcoholic beverages to the public. In addition, a licensee under this section may, subject to Section 25631, directly or indirectly, give or furnish alcoholic beverages to persons at events for consumption on the premises. A premises licensed pursuant to this section shall not be entitled to a caterer's permit pursuant to Section 23399, and shall not be entitled to exercise any off-sale privileges pursuant to Section 23401.
Ca. Bus. and Prof'l. Code § 24045.16