Cal. Welf. & Inst. Code § 4903
(a) The protection and advocacy agency shall have access to the records of any of the following people with disabilities:
(2) Any person, including any individual who cannot be located, to whom all of the following conditions apply:
(4) Any person who has a guardian, conservator, limited conservator, or other legal representative with respect to whom a complaint has been received by the protection and advocacy agency, or with respect to whom the protection and advocacy agency has determined that probable cause exists to believe that the person has been or may be subjected to abuse or neglect, whenever all of the following conditions exist:
(b) Individual records that shall be available to the protection and advocacy agency under this division, whether written or in another medium, draft, preliminary, or final, including, but not limited to, handwritten notes, electronic files, photographs, videotapes, or audiotapes, shall include, but not be limited to, all of the following:
(2) Reports prepared by a federal, state, or local governmental agency or a private organization charged with investigating reports of incidents of abuse, neglect, injury, or death. The organizations whose reports are subject to this requirement include, but are not limited to, agencies in the foster care system, disabilities systems, prison and jail systems, facilities used to house or detain persons for purposes of civil immigration proceedings, public and private educational systems, emergency shelters, criminal and civil law enforcement agencies such as police departments, agencies overseeing juvenile justice facilities, juvenile detention facilities, all preadjudication and postadjudication juvenile facilities, state and federal licensing and certification agencies, and private accreditation organizations such as the Joint Commission on the Accreditation of Healthcare Organizations or by medical care evaluation or peer review committees, regardless of whether they are protected by state law. The reports subject to this requirement describe any or all of the following:
(C) Reports and records, including, but not limited to, personnel records prepared or maintained by the facility, program, or service provider in connection with reports of incidents, subject to the following:
(c) Information in the possession of a program, facility, or service provider that must be available to the agency investigating instances of abuse or neglect pursuant to subdivision (a) of Section 4902, whether written or in another medium, draft, preliminary, or final, including, but not limited to, handwritten notes, electronic files, photographs, videotapes, audiotapes, or records, shall include, but not be limited to, all of the following:
(f)
(h)
(2) The protection and advocacy agency shall obtain written consent from the following individuals, as applicable, before releasing information concerning them to a person not otherwise authorized to receive it:
(3) This subdivision shall not, however, prevent the protection and advocacy agency from doing any of the following:
(4) Notwithstanding the confidentiality requirements of this section, the protection and advocacy agency may make a report to investigative or enforcement agencies that reveals the identity of an individual with a disability, and information relating to their status or treatment in any of the following situations:
(j) The authority provided pursuant to subdivision (b) shall include access to all of the following: