California Code, Business and Professions Code - BPC § 25503.51

(a) A distilled spirits wholesaler, rectifier, brandy manufacturer, or craft distiller may, without charge, instruct licensees and their employees, or conduct courses of instruction for licensees and their employees, on the subject of distilled spirits, including, but not limited to, the history, nature, values, characteristics, and related terminology of distilled spirits, and the methods of handling, presenting, and serving distilled spirits. The distilled spirits wholesaler, rectifier, brandy manufacturer, or craft distiller may furnish distilled spirits and the equipment, materials, and utensils that may be required for use in connection with the instruction or courses of instruction.

(b) The instruction or courses of instruction, authorized pursuant to subdivision (a), may be given at the premises of the distilled spirits wholesaler, rectifier, brandy manufacturer, or craft distiller, or of a licensee, including an on-sale retail licensee, or elsewhere.