Mont. Code Ann. § 52-5-102

The facilities provided for in 52-5-101 shall exercise their functions under the supervision and general management of the department of corrections. Except where otherwise provided by law, the department by rules shall establish standards of care and policies of admission, transfers, discharge, and conditional release in order to provide adequate care for children and adequate service to the courts. Policies of admission may include criteria for medical examinations required under 52-5-108. The department shall develop special programs within each facility that are adaptable to the particular needs of its operation.