Ill. Admin. Code tit. 44, § 8.5560
a) This Part applies to all debarments or suspensions of vendors from consideration for award of contracts under the Code. For the purposes of this Part, all references to "vendors" includes subcontractors. This Part provides for general provisions for suspension and debarment recommendation by CDB and approval by the CPO as authorized by Sections 20-75 and 50-65 of the Code and under the jurisdiction of the CPO. A vendor may be suspended or debarred by the CPO due to acts or omissions that indicate that the vendor lacks integrity and honesty in the conduct of business or the performance of contracts. Acts or omissions that indicate the lack of business integrity and honesty include, but are not limited to: