Cal. Welf. & Inst. Code § 5404
(d) The State Department of Health Care Services shall, in consultation with the County Behavioral Health Directors Association of California, provider representatives, substance use treatment representatives, patients’ rights advocates, disability rights advocates, and other relevant stakeholders, establish updated regulations for the purpose of developing designation requirements for facilities who are admitting and treating persons involuntarily pursuant to this part. At a minimum, the regulations shall include all of the following: