Ill. Admin. Code tit. 56, § 2835.1 – Recovery of Benefits by Recoupment

a) The Director may recover by recoupment any unemployment insurance benefits that are determined to have been overpaid to an individual. Recoupment is a method by which the Director deducts from any benefits payable to a claimant the amounts of benefits he was found not entitled to receive under the law.
b) The recoverable amounts may be either regular or extended benefits paid under either the Unemployment Insurance Act [820 ILCS 405] (Act), or the Federal Unemployment Compensation Act for Federal Employees (5 USC 8501 et seq.) or Ex-Servicemen (5 USC 8521 et seq.) (UCFE and UCX) programs administered by the Director or any other federal unemployment insurance program administered by the Director (see Table A).
(Source Amended at 32 Ill. Reg. 18978, effective December 1, 2008)