(1) Delivery of day treatment services is limited to providers of inpatient free standing treatment.

(2) All day treatment services must have prior written approval from the utilization reviewer.

(a) An inpatient free standing treatment provider must submit a written request for approval to the utilization reviewer before providing day treatment services.

(b) A request for approval of day treatment services must be submitted on the request form specified by the department. Request forms may be obtained from the Department of Public Health and Human Services, Addictive and Mental Disorders Division, 555 Fuller, P.O. Box 202905, Helena, MT 59620-2905.