"Distilled spirits manufacturer" means a person who produces distilled spirits from naturally fermented materials or in any other manner. "Distilled spirits manufacturer" does not include a winegrower that produces spirits of wine, provided the spirits of wine are blended into wine produced by the winegrower, are sold to an industrial alcohol dealer or a distilled spirits manufacturer, or are destroyed by the winegrower.
Ca. Bus. and Prof. Code § 23015