(1) 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: Have a mental illness or serious emotional disturbance for which immediate observation, care and treatment in the program is appropriate; and
(2) To be experiencing severe impairment that is likely to result in serious harm to the person.
(3) The chief officer shall have entered on the record the reasons why and with whom the person came to the treatment resource.