California Code, Health and Safety Code - HSC § 11362.45

(a) Laws making it unlawful to drive or operate a vehicle, boat, vessel, or aircraft, while smoking, ingesting, or impaired by, cannabis or cannabis products, including, but not limited to, subdivision (e) of Section 23152 of the Vehicle Code, or the penalties prescribed for violating those laws.

(b) Laws prohibiting the sale, administering, furnishing, or giving away of cannabis, cannabis products, or cannabis accessories, or the offering to sell, administer, furnish, or give away cannabis, cannabis products, or cannabis accessories to a person younger than 21 years of age.

(c) Laws prohibiting a person younger than 21 years of age from engaging in any of the actions or conduct otherwise permitted under Section 11362.1.

(d) Laws pertaining to smoking or ingesting cannabis or cannabis products on the grounds of, or within, any facility or institution under the jurisdiction of the Department of Corrections and Rehabilitation or the Division of Juvenile Justice, or on the grounds of, or within, any other facility or institution referenced in Section 4573 of the Penal Code.

(e) Laws providing that it would constitute negligence or professional malpractice to undertake any task while impaired from smoking or ingesting cannabis or cannabis products.

(f) The rights and obligations of public and private employers to maintain a drug and alcohol free workplace or require an employer to permit or accommodate the use, consumption, possession, transfer, display, transportation, sale, or growth of cannabis in the workplace, or affect the ability of employers to have policies prohibiting the use of cannabis by employees and prospective employees, or prevent employers from complying with state or federal law.

(g) The ability of a state or local government agency to prohibit or restrict any of the actions or conduct otherwise permitted under Section 11362.1 within a building owned, leased, or occupied by the state or local government agency.

(h) The ability of an individual or private entity to prohibit or restrict any of the actions or conduct otherwise permitted under Section 11362.1 on the individual's or entity's privately owned property.

(i) Laws pertaining to the Compassionate Use Act of 1996.