California Code, Business and Professions Code - BPC § 26090

(a) Deliveries, as defined in this division, may only be made by a licensed retailer or microbusiness, or a licensed nonprofit under Section 26070.5.

(b) All employees of a retailer, microbusiness, or nonprofit delivering cannabis or cannabis products shall carry a copy of the licensee's current license and a government-issued identification with a photo of the employee, such as a driver's license. The employee shall present that license and identification upon request to state and local law enforcement, employees of the department and other state and local agencies enforcing this division.

(c) Before cannabis or a cannabis product leaves the licensed premises in a delivery vehicle, the retailer shall enter into the track and trace system all information required by the department and shall update the information as required by the department.

(d) During delivery, the licensee shall maintain a copy of the delivery request and shall make it available upon request of the department and law enforcement officers. The delivery request documentation shall comply with state and federal law regarding the protection of confidential medical information.

(e) A customer requesting delivery shall maintain a physical or electronic copy of the delivery request and shall make it available upon request by the department and law enforcement officers.

(f) A local jurisdiction shall not prevent delivery of cannabis or cannabis products on public roads by a licensee acting in compliance with this division and local law as adopted under Section 26200.