305 ILCS 5/13-3

The repeal of the 1949 Code Act shall not affect or impair the continuity of grants heretofore made to or in behalf of recipients pursuant to said Code. Nor shall such repeal affect or impair any power or the performance of any act or duty by any governmental unit, or officer, agency or employee thereof, validly exercised, performed or done under said Code. However, after the effective date of this Code all such recipients, governmental units, agencies, officers and employees shall in all respects be subject to and governed by the provisions of this Code.