Cal. Bus. & Prof. Code § 25503.21

Notwithstanding any other provision of this division, a licensed manufacturer, winegrower, manufacturer’s agent, California winegrower’s agent, rectifier, distiller, bottler, importer, or wholesaler, or any officer, director, or agent of any such person, who prior to July 1, 1987, has entered into an active lease of premises to any holder of an off-sale license, may continue to lease premises or renew or otherwise modify such lease with any holder of an off-sale license so long as the lessor holds no financial interest other than such lease in the business of the lessee.