Rule 1102. The workers' compensation agency shall annually calculate and revise, under the provisions of 1969 PA 306, as amended, being § 24.201et seq. of the MCL, at the same time as calculating Michigan hospitals' payment ratios, a weighted state average payment ratio to be used for hospitals that are located outside the state of Michigan. The payment ratio shall be calculated by dividing the total hospital operating expenses for Michigan by the total hospital patient revenues for Michigan as reported under R 418.1101(1).
Mich. Admin. Code R. 418.101102