730 ILCS 5/8-2-1
The repeal of Acts or parts of Acts enumerated in Section 8-5-1 does not: (1) affect any offense committed, act done, prosecution pending, penalty, punishment or forfeiture incurred, or rights, powers or remedies accrued under any law in effect immediately prior to the effective date of this Code; (2) impair, avoid, or affect any grant or conveyance made or right acquired or cause of action then existing under any such repealed Act or amendment thereto; (3) affect or impair the validity of any pretrial release or other obligation issued or sold and constituting a valid obligation of the issuing authority immediately prior to the effective date of this Code; (4) the validity of any contract; or (5) the validity of any tax levied under any law in effect prior to the effective date of this Code. The repeal of any validating Act or part thereof shall not avoid the effect of the validation. No Act repealed by Section 8-5-1 shall repeal any Act or part thereof which embraces the same or a similar subject matter as the Act repealed.
730 ILCS 5/8-2-1