Cal. Bus. & Prof. Code § 23772

(a) A distilled spirits manufacturer’s or distilled spirits manufacturer’s agent’s license shall not be held by any person that holds any ownership or interest, directly or indirectly, by stock ownership, interlocking directors, trusteeship, loan, mortgage, or lien on any personal or real property, or otherwise, in any craft distiller’s, distilled spirits wholesaler’s, rectifier’s, or retailer’s license.
(b) The provisions of this section shall not apply to the financial or representative relationship between a manufacturer, winegrower, manufacturer’s agent, rectifier, distiller, bottler, importer, or wholesaler, or any officer, director, or agent of that person, and a person holding only one of the following types of licenses:
1. (1) On-sale general license for a bona fide club.
2. (2) Club license (issued under Article 4 (commencing at Section 23425) of Chapter 3).
3. (3) Veterans’ club license (issued under Article 5 (commencing at Section 23450) of Chapter 3).
4. (4) On-sale license for boats, trains, sleeping cars, or airplanes where the alcoholic beverages produced or sold by the manufacturer, winegrower, manufacturer’s agent, rectifier, bottler, importer, or wholesaler or any officer, director, or agent of that person are not sold, furnished, or given, directly or indirectly, to the on-sale licensee.