65 ILCS 5/9-3-13
After filing of the petition as provided in Section 9-3-12, the court shall enter an order setting a date for hearing on the question of benefits, and direct that notice be given by the committee on local improvements of the pendency of the proceeding. The notice shall state generally the nature of the improvement, the pendency of the proceeding, the time and place of filing the petition therefor, that an assessment roll has been filed, and the time and place at which an application will be made for confirmation of the assessment, the same to be not less than 15 days after the mailing of such notice. Such notice shall be sent by mail, postpaid, to each person paying the taxes on the respective parcels during the last preceding year during which taxes were paid, at his residence as shown in the assessment roll, or if not shown, then to each person so paying the taxes directed generally to the municipality in which the improvement is proposed to be made. Such notice shall also state the amount assessed, the person to whom the same is directed for the improvement proposed, and the total cost of such improvement, and the total amount assessed as benefit upon the public, and if the assessment is to be payable in installments, the number of installments thereof and the rate of interest it shall bear. An affidavit shall be filed before the final hearing thereon by the committee on local improvements showing a compliance with the requirements of this section and also showing that the committee on local improvements caused to be made under its direction, or that it made a careful examination of the county collector's books showing the payments of general taxes during the last preceding year, in which the taxes were paid thereon, to ascertain the person who last paid the taxes on the respective parcels, and a diligent search for such person's residence, and that the assessment roll filed in court correctly states the same as ascertained by the committee on local improvements, or as ascertained under its direction. If the report and affidavit shall be found in any respect wilfully false, the persons making the same shall be guilty of perjury, and subject to the pains and penalties provided for such offense by the laws of this State.
In addition to the mailing of the notice, notice shall also be given by the committee on local improvements at least 15 days prior to the date set for the hearing by posting notice in at least 4 public places in such municipality, all of which shall be in the neighborhood of such proposed improvement, and within the boundaries of the area described as probably benefited, and as in this Division 3 provided, and by publishing the same once each week for 2 successive weeks in a daily or weekly newspaper published in the municipality, the first publication thereof to be at least 15 days prior to the date set for the hearing on benefits, or if there be no newspaper published and of general circulation in such municipality, then by publication in a newspaper published in the county and of general circulation therein. Such notice shall state the pendency of the proceedings, set forth a brief general description of the nature of the improvement, refer to the fact that the ordinance for the same is on file in the office of the municipal clerk for public inspection, together with plans, specifications and an estimate of cost of the improvements, and that such municipality has applied to the court, designating the court, for the levying of a special assessment, that the assessment roll has been filed in court and stating the date when the hearing thereon will be had, and that all persons desiring may file objections to the assessment on any particular lot, parcel or tract before the date set for said hearing, and may appear at the hearing and make their defense as to the question of benefits. If the assessment is to be payable in installments, then such notice shall state the number of installments and the rate of interest the installment shall bear.
65 ILCS 5/9-3-13