(35 ILCS 200/21-215)
    Sec. 21-215. Penalty bids. The person at the sale offering to pay the amount due on each property for the least penalty percentage shall be the purchaser of that property. No bid shall be accepted for a penalty exceeding 18% of the amount of the tax or special assessment on property.
(Source: P.A. 86-1431; 86-1480; 88-455.)