65 ILCS 65/1
The provisions of this Act shall apply in any city, village or incorporated town of less than 500,000 inhabitants which adopts it by ordinance: Provided that no such ordinance may be enacted until the council or board of trustees of the city, village or incorporated town has made a survey and has determined as a result of the survey that the payment in full of the principal and interest on special assessment bonds will not be prevented by the adoption of this Act. The facts disclosed by the survey, the manner of conducting the same, and the determination resulting therefrom shall be entered in the minutes of the meeting of the council or board of trustees at which this Act is adopted. The ordinance may provide either for the remission of all penalties, interest and costs, other than advertising costs, on delinquent special assessments, or for the remission of penalties, interest and costs, other than advertising costs, accruing after the maturity date of bonds issued to finance the improvement.
Any owner of real estate on which there is any amount of past due special assessments as of July 1, 1949, may, on or before June 1, 1950, petition the officer authorized to collect the special assessments, describing the tract or tracts of land to which the petitioner desires to have the benefits of this Act apply and in such petition shall stipulate a day, not later than 90 days after the filing thereof, on or before which he will pay the full amount due as determined under this Act. Prior to the day stipulated for payment, the land shall not be offered for sale on account of failure to pay any of the items mentioned in the petition or which will be remitted if payment is made as stipulated.
65 ILCS 65/1