Contested adjustments.

Except as provided in par. (b), a determination made by the department under this section is final and conclusive upon receipt by the pass-through entity. Pass-through members shall concede to the accuracy of and shall be bound by a determination made under this section. A pass-through entity shall timely notify all pass-through members of any administrative or judicial proceeding regarding the determination of any pass-through item.

A pass-through entity aggrieved by a determination made by the department under this section may, within 60 days after receipt of the determination, petition the department for redetermination. The department shall make a redetermination on the petition within 6 months after the date on which the petition is filed. If no timely petition for redetermination is filed with the department, the department’s determination shall be final and conclusive.