Business and Professions Code § 26037.5

(a) A person or entity shall not engage in commercial cannabis activity without a state license issued by the department pursuant to this division.

(b) The requirement to obtain a state license for the cultivation of cannabis pursuant to this division does not apply to the cultivation of cannabis in accordance with Section 11362.1 of the Health and Safety Code or the Compassionate Use Act or to persons or entities licensed under subdivision (b) of Section 26070.5.