Cal. Health & Safety Code § 7100
(a) The right to control the disposition of the remains of a deceased person, the location and conditions of interment, and arrangements for funeral goods and services to be provided, unless other directions have been given by the decedent pursuant to Section 7100.1, vests in, and the duty of disposition and the liability for the reasonable cost of disposition of the remains devolves upon, the following in the order named:
(1) An agent under a power of attorney for health care who has the right and duty of disposition under Division 4.7 (commencing with Section 4600) of the Probate Code, except that the agent is liable for the costs of disposition only in either of the following cases:
(b)
(c) A funeral director or cemetery authority shall have complete authority to control the disposition of the remains and to proceed under this chapter to recover usual and customary charges for the disposition when both of the following apply:
(1) Either of the following applies:
(h)