Mo. Rev. Stat. § 630.127
1. The department of mental health shall develop rules, guidelines, and protocols for an initial notification to a parent or guardian of a patient, resident, or client when first entering the care and custody of the department, or when first entering a facility licensed, certified, or funded by the department. Such notification shall notify the parent or guardian, or a consumer who is his or her own guardian, of the possibility of a person being placed in the facility with the patient, resident, or client who falls in one of the following categories:
(L. 2007 S.B. 3)