Section 26140.
26140. (a) An A-licensee shall not: (1) Sell cannabis or cannabis products to persons under 21 years of age. (2) Allow any person under 21 years of age on its premises, unless the A-licensee holds an M-license and the licensed premises for the A-license and M-license are the same. (3) Employ or retain persons under 21 years of age. […]