55 ILCS 5/5-32017
Upon objections or motions for that purpose, the court in which the specified proceeding is pending may inquire in a summary way whether the officer making roll has omitted any property benefited, and whether or not the assessment as made and returned is an equitable and just distribution of the cost of the improvement among the parcels of property assessed. The court has the power upon such application being made, to revise and correct the assessment levied or to change the manner of distribution among the parcels of private property, so as to produce a just and equitable assessment. The court may either make such corrections or change or determine in general the manner in which the corrections or changes shall be made and refer the assessment roll back to the levying officer for revisions, corrections or alterations in such manner as the court may determine.
55 ILCS 5/5-32017