720 ILCS 5/33E-1: Interference with public contracting.

It is the finding of the General Assembly that the cost to the public is increased and the quality of goods, services and construction paid for by public monies is decreased when contracts for such goods, services or construction are obtained by any means other than through independent noncollusive submission of bids or offers by individual contractors or suppliers, and the evaluation of those bids or offers by the governmental unit pursuant only to criteria publicly announced in advance.