WIC §5523: (a) Notwithstanding any other provision of law, and without regard to the existence of a guardianship or conservatorship, a recipient of mental health services is presumed competent for the purpose of

(a) Notwithstanding any other provision of law, and without regard to the existence of a guardianship or conservatorship, a recipient of mental health services is presumed competent for the purpose of entering into an agreement with county patients’ rights advocates for the provision of advocacy services unless found by the superior court to be incompetent to enter into an agreement with an advocate and a guardian ad litem is appointed for such purposes. (b) In conducting investigations in cases in which an advocate has not received a request for advocacy services from a recipient of mental health services or from another person on behalf of a recipient of mental health services, the advocate shall notify the treating professional responsible for the care of any recipient of services whom the advocate wishes to interview, and the facility, service, or program administrator, of his or her intention to conduct such an interview. Whenever the treating professional is reasonably available for consultation, the advocate shall consult with the professional concerning the appropriate time to conduct the interview. (c) Any agreement with any county patients’ rights advocate entered into by a mental health client shall be made knowingly and voluntarily or by a guardian ad litem. It shall be in a language or modality which the client understands. Any such agreement may, at any time, be revoked by the client or by the guardian ad litem, whoever has entered into the agreement, either in writing or by oral declaration to the advocate. (d) Nothing in this chapter shall be construed to prohibit a recipient of mental health services from being represented by public or private legal counsel of his or her choice. (e) The remedies provided by this chapter shall be in addition to any other remedies which may be available to any person, and the failure to pursue or exhaust the remedies or engage in the procedures provided by this chapter shall not preclude the invocation of any other remedy. (f) Investigations concerning violations of a past recipients’ rights shall be limited to cases involving discrimination, cases indicating the need for education or training, or cases having a direct bearing on violations of the right of a current recipient. This subdivision is not intended to constrain the routine monitoring for compliance with patients’ rights provisions described in subdivision (b) of Section 5520.