Tennessee Code Title 33. Mental Health and Substance Abuse and Intellectual and Developmental Disabilities § 33-6-302

(a) No person shall be detained under this part except in a treatment resource that provides psychiatric services, twenty-four hour crisis services, and supervised observation beds, participates in mandatory prescreening authority under § 33-6-104, and is approved by the department for service under this part. The chief officer may detain a person alleged to:

(b) The chief officer shall have entered on the record the reasons why and with whom the person came to the treatment resource.