65 ILCS 5/9-2-144
The laws subsisting immediately prior to January 1, 1942, the time of the taking effect of this Division 2, shall continue to apply to all proceedings for the condemnation of land, or the confirmation of special assessment or special taxes for local improvements, which were pending in any court in this state at the time of the taking effect of this Division 2, and to all proceedings for the collection of any deficiency under past levies already made under any law existing at the time of the taking effect of this Division 2, and also to all proceedings for new assessments made in lieu of others annulled before this Division 2 took effect, by order of some court.
Whenever any installment of an assessment confirmed under prior acts matures, proceedings to return the installment delinquent, and to collect the installment shall conform to the provisions of this Division 2.
Whenever any bond issued under "An Act concerning local improvements," approved June 14, 1897, as amended, matures, proceedings to refund or enforce its payment shall conform to the provisions of this Division 2, so far as they are applicable.
Nothing in this Division 2 shall be construed to repeal any of the laws relating to civil service, and nothing in this Division 2 shall be construed to repeal or modify any of the rules of the civil service commission of the city of Chicago adopted pursuant to the civil service laws, and nothing in this Division 2 shall be construed to repeal Division 84 of Article 11.
65 ILCS 5/9-2-144