California Code, Welfare and Institutions Code - WIC § 6002.15

(a) Prior to accepting the written authorization for treatment, the facility shall assure that a representative of the facility has given a full explanation of the treatment philosophy of the facility, including, where applicable, the use of seclusion and restraint, the use of medication, and the degree of involvement of family members in the minor's treatment to the parent, guardian or other person entitled to the minor's custody. This explanation shall be given orally and in writing, and shall be documented in the minor's treatment record upon completion.

(b) As part of the admission process, the professional person responsible for the minor's admission shall affirm in writing that the minor meets the admission criteria as specified above.

(c) Upon admission, a facility specified in Section 6002.10 shall do all of the following: