510 ILCS 20/7
When an administrative hearing is held, the hearing officer, upon determination of a violation of this Act or rules or regulations promulgated under it, may levy the following administrative monetary penalties:
(8) $100 for any other violation of this Act.
In the case of a second or subsequent violation within 3 years of the first offense, the penalty shall be doubled.
(Source: P.A. 89-154, eff. 1-1-96.)