Cal. Bus. & Prof. Code § 23401.5
(a) Notwithstanding any other law to the contrary, the holder of an on-sale license for a bona fide public eating place that has off-sale privileges, or a licensed beer manufacturer, licensed wine manufacturer, or licensed craft distiller that operates a bona fide public eating place at its premises of production, may exercise the following rights and privileges subject to the requirements of this section:
(2) In addition to the privilege provided by paragraph (1), the licensee may sell the alcoholic beverages, except beer, for off-sale consumption for which their license permits on-sale consumption when the beverages are not in manufacturer prepackaged containers if the following conditions are met:
(F)
(i) The following warning sign is posted in a manner that notifies consumers of restrictions regarding open container laws:
“Alcoholic beverages that are packaged by this establishment are open containers and shall not be transported in a motor vehicle except in the vehicle’s trunk or, if there is no trunk, the containers shall be kept in some other area of the vehicle that is not normally occupied by the driver or passengers. This does not include a utility compartment or glove compartment (See Vehicle Code Section 23225). Additionally, these beverages shall not be consumed in public or in any other area where open containers are prohibited by law.”
(b) An alcoholic beverage sold pursuant to subdivision (a) shall meet both of the following conditions:
(d) Notwithstanding any law to the contrary, the department may at any time impose conditions on a license restricting or prohibiting the licensee from selling or furnishing any alcoholic beverage pursuant to this Section.
(2) A licensee may petition the department to modify or remove a condition within 10 days following imposition of the condition.