Cal. Bus. & Prof. Code § 7672

(a) A person shall not dispose of, or offer to dispose of, cremated, reduced, or hydrolyzed human remains unless registered as a cremated remains disposer by the bureau. This article does not apply to a person, partnership, or corporation holding a certificate of authority as a cemetery, crematory license, reduction facility, hydrolysis facility license, cemetery broker’s license, cemetery salesperson’s license, or funeral director’s license, nor shall this article apply to a person having the right to control the disposition of the cremated, reduced, or hydrolyzed human remains of a person or that person’s designee if the person does not dispose of, or offer to dispose of, more than 10 human remains within a calendar year.