815 ILCS 414/3
Whoever, upon the purchase of such admission tickets as herein provided, feels himself aggrieved or injured by paying for such tickets any sum in excess of the advertised price or printed rate, or any sum in excess of the price originally charged at the box office or place where such admission tickets usually are sold by the management of any such place of entertainment or amusement, has, irrespective of the penalties herein provided, a right of action in his name and against such person, firm, corporation, owner, lessee, manager, trustee, or any of their agents or employees owning, conducting, managing or operating any such theater, circus, baseball park or place of public entertainment or amusement, to recover for each ticket for which an overcharge was made contrary to the provisions of this Act, a sum of $100, which may be recovered in a civil action before the circuit court in this State.
815 ILCS 414/3