Business and Professions Code § 7673

(a) A person who scatters any cremated human remains or hydrolyzed human remains without specific written instructions from the person having the right to control the disposition of the remains or who scatters remains in a manner not in accordance with those instructions shall be guilty of a misdemeanor.

(b) Commencing January 1, 2027, a person who integrates reduced human remains into the soil without specific written instructions from the person having the right to control the disposition of the remains, or who integrates reduced human remains into the soil in a manner not in accordance with those instructions shall be guilty of a misdemeanor.