Costs of corrective action or indemnification incurred by an owner or operator which have been paid to an owner or operator under a policy of insurance, another written agreement, or a court order are not eligible for payment from the Fund. An owner or operator who receives payment under a policy of insurance, another written agreement, or a court order shall reimburse the State to the extent such payment covers costs for which payment was received from the Fund [415 ILCS 5/57.8(e)] .
Ill. Admin. Code tit. 35, § 734.655