Rule 13e.
The premium collected from each member must be based upon applying the appropriate manual rates per payroll code classification as approved by the agency and the excess carrier. The premium collected from each participant in a group selfinsurance program must be adjusted by an experience modification formula approved by the agency.
The total premium collected from all participants must be sufficient to fund the loss fund developed under the excess insurance contract and the total administrative expenses of the group fund. A written excess insurance policy must confirm that the rate structure proposed by the aggregate excess insurer will be used by the group fund to develop the loss fund under the aggregate excess contract. The loss fund shall be 75% of final audited premium or as approved by the agency.
Mich. Admin. Code R. 408.43e