(1) An institution for mental diseases, as a condition of participation in the Montana medicaid program, under ARM 37.88.1401, 37.88.1402, 37.88.1405, 37.88.1406, 37.88.1410, 37.88.1411 and 37.88.1420 must be a provider that meets the following requirements:
(a) complies with the requirements set forth at ARM 37.40.306 for medicaid nursing facility service providers;
(b) has been determined by the department, in accordance with ARM 37.88.1402, to be an institution for mental diseases;
(c) complies with ARM 37.40.352 regarding utilization review and quality of care for nursing facilities; and
(d) enters into and maintains a written agreement with the department that specifies the respective responsibilities of the department and the provider including arrangements for:
(i) joint planning between the parties to the agreement;
(ii) development of alternative methods of care;
(iii) permission for immediate readmission to the institution when the recipient's need for readmission has been determined to be medically necessary;
(iv) access by the department to the recipient, the recipient's records and the facility;
(v) recording, reporting and exchanging medical and social information about recipients; and
(vi) other procedures necessary to carry out the agreement; or
(e) is a hospital which is devoted to the provision of inpatient psychiatric hospital care to adults. A publicly owned hospital devoted to the provision of inpatient psychiatric care to adults shall not be required to enter into and maintain a written agreement as provided in (1) (d) .