It is unlawful for any person to sell or deliver any restricted material to any person that is required by regulations adopted by the director to have a permit to possess or use the restricted material unless the permittee, or the permittee's agent to whom delivery is made, provides to the seller or the person delivering the restricted material a copy of a permit which authorizes possession or use of the kind and quantity of the restricted material on the date the restricted material is delivered.
Ca. Food and Agric. Code § 14010