305 ILCS 5/10-14
Any responsible relative or person receiving child support enforcement services under this Article affected by a final administrative decision of the Illinois Department in a hearing, conducted pursuant to Sections 10-13 through 10-13.10 in which such relative or person receiving services was a party, may have the decision reviewed only under and in accordance with the Administrative Review Law, as amended. The provisions of the Administrative Review Law, and the rules adopted pursuant thereto, shall apply to and govern all proceedings for the judicial review of such final administrative decisions of the Illinois Department. The term "administrative decision" is defined as in Section 3-101 of the Code of Civil Procedure.
Appeals from all final orders and judgments entered by a court upon review of the Illinois Department's order in any case may be taken by either party to the proceeding and shall be governed by the rules applicable to appeals in civil cases.
The remedy herein provided for appeal shall be exclusive, and no court shall have jurisdiction to review the subject matter of any order made by the Illinois Department except as herein provided.
305 ILCS 5/10-14