A winegrower's license, brandy manufacturer's license, California winegrower's agent's license, beer and wine wholesaler's license or a distilled spirits manufacturer's agent's license also authorizes the solicitation of orders for wine or brandy, or both, which are produced or manufactured in this state and which the licensee is authorized to sell by his license for and on behalf of any licensee for the sale to other licensees of such wine or brandy.
Ca. Bus. and Prof'l. Code § 23366.5