110 ILCS 947/90
The Commission may provide by rule for certification to the Comptroller: (a) of delinquent or defaulted amounts due and owing from a borrower on any loan guaranteed by the Commission under this Act or on any "eligible loan" as that term is defined under the Educational Loan Purchase Program Law; and (b) of any amounts recoverable under Section 120 in a civil action from a person who received a scholarship, grant, monetary award, or guaranteed loan. The purpose of certification shall be to intercept State income tax refunds and other payments due such borrowers and persons in order to satisfy, in whole or in part: (i) delinquent or defaulted amounts due and owing from any such borrower on any such guaranteed or eligible loan; and (ii) amounts recoverable from a person against whom a civil action will lie under the provisions of Section 120. The rule shall provide for notice to any such borrower or person affected, and any final administrative decision rendered by the Commission with respect to any certification made pursuant to this Section shall be reviewed only under and in accordance with the Administrative Review Law.
110 ILCS 947/90