Cal. Health & Safety Code § 7054.6

(a) Except as provided in subdivision (b), cremated remains or hydrolyzed human remains may be removed in a durable container from the place of cremation, hydrolysis, or interment and kept in or on the real property owned or occupied by a person described in Section 7100 or any other person, with the permission of the person with the right to disposition, or the durable container holding the cremated remains or hydrolyzed human remains may be kept in a church or religious shrine, if written permission of the church or religious shrine is obtained and there is no conflict with local use permit requirements or zoning laws, if the removal is under the authority of a permit for disposition granted under Section 103060. The placement, in any place, of six or more cremated remains or hydrolyzed human remains under this section does not constitute the place a cemetery, as defined in Section 7003.
(b) Notwithstanding any other provision of law, cremated remains or hydrolyzed human remains may be placed in one or more keepsake urns. Keepsake urns shall be kept as authorized by the person or persons with the right to control disposition pursuant to Section 7100, provided that a permit for disposition of human remains pursuant to Section 103060 is issued by the local registrar for each keepsake urn designating the home address of each person receiving a keepsake urn and a permit fee pursuant to Section 103065 is paid. No keepsake urn shall be subject to Section 8345. For purposes of this section, a keepsake urn shall mean a closed durable container that will accommodate an amount of cremated remains or hydrolyzed human remains not to exceed one cubic centimeter.
(c) Prior to disposition of cremated remains or hydrolyzed human remains, every licensee or registrant pursuant to Chapter 12 (commencing with Section 7600) of Division 3 of the Business and Professions Code, and the agents and employees of the licensee or registrant shall do all of the following:
1. (1) Remove the cremated remains or hydrolyzed human remains from the place of cremation or hydrolysis in a durable container.
2. (2) Keep the cremated remains or hydrolyzed human remains in a durable container.
3. (3) Store the cremated remains or hydrolyzed human remains in a place free from exposure to the elements.
4. (4) Responsibly maintain the cremated remains or hydrolyzed human remains.
(d) This section shall become operative on July 1, 2020.