The petitioner shall, in addition to other notices hereinbefore provided for, cause notice to be given, not more than 30 nor less than 15 days in advance of the time at which confirmation of the assessment is sought, by publishing a notice thereof at least twice in one or more newspapers published in the municipality, or, if no newspaper is published therein, then in one or more newspapers with a general circulation within the municipality; except that, in municipalities with less than 500 population in which no newspaper is published, publication may be made by posting a notice in 3 prominent places within the municipality. The notice shall be over the name of the officer levying such assessment, and be substantially as follows:

    “Notice is hereby given to all persons interested that the city council (or board of trustees as the case may be) of …. having ordered that (here insert a brief description of the nature of the improvement), the ordinance for the same being on file in the office of the …. clerk, having applied to the circuit court of …. county for an assessment of the costs of the improvement, according to benefits, and an assessment therefor having been made and returned to the court, the final hearing thereon will be had on (insert date), or as soon thereafter as the business of the court will permit. All persons desiring may file objections in the court before that day, and may appear on the hearing and make their defense.
     Dated (insert date).”

     Where the assessment is payable in installments, the number of installments and the rate of interest shall also be stated.
     If 15 days have not elapsed between the first publication or the posting of such notice, and the day fixed in the notice for filing objections, the cause shall be continued for 15 days, and the time for filing objections shall stand correspondingly extended.