(35 ILCS 200/16-55)
(a) On written complaint that any property is
overassessed or underassessed, the board shall review the assessment, and
correct it, as appears to be just, but in no case shall the property be
assessed at a higher percentage of fair cash value than other property in the
assessment district prior to equalization by the board or the Department.
(b) The board shall include compulsory sales in reviewing and correcting assessments, including, but not limited to, those compulsory sales submitted by the taxpayer, if the board determines that those sales reflect the same property characteristics and condition as those originally used to make the assessment. The board shall also consider whether the compulsory sale would otherwise be considered an arm's length transaction.
(c) If a complaint is filed by an attorney on behalf of a taxpayer, all notices and correspondence from the board relating to the appeal shall be directed to the attorney. The board may require proof of the attorney's authority to represent the taxpayer. If the attorney fails to provide proof of authority within the compliance period granted by the board pursuant to subsection (d), the board may dismiss the complaint. The Board shall send, electronically or by mail, notice of the dismissal to the attorney and taxpayer.
complaint to affect the assessment for the current year shall be filed on or before 30 calendar days after the date
of publication of the assessment list under Section 12-10. Upon receipt of a written complaint that is timely filed under this Section, the board of review shall docket the complaint. If the complaint does not comply with the board of review rules adopted under Section 9-5 entitling the complainant to a hearing, the board shall send, electronically or by mail, notification acknowledging receipt of the complaint. The notification must identify which rules have not been complied with and provide the complainant with not less than 10 business days to bring the complaint into compliance with those rules. If the complainant complies with the board of review rules either upon the initial filing of a complaint or within the time as extended by the board of review for compliance, then the board of review shall send, electronically or by mail, a notice of hearing and the board shall hear the complaint and shall issue and send, electronically or by mail, a decision upon resolution. Except as otherwise provided in subsection (c), if the complainant has not complied with the rules within the time as extended by the board of review, the board shall nonetheless issue and send a decision. The board of review may adopt rules allowing any party to attend and participate in a hearing by telephone or electronically.
(e) The board may also,
at any time before its revision of the assessments is completed in every year,
increase, reduce or otherwise adjust the assessment of any property, making
changes in the valuation as may be just, and shall have full power over the
assessment of any person and may do anything in regard thereto that it may deem
necessary to make a just assessment, but the property shall not be assessed at
a higher percentage of fair cash value than the assessed valuation of other
property in the assessment district prior to equalization by the board or the
(f) No assessment shall be increased until the person to be affected
has been notified and given an opportunity to be heard, except as provided
(g) Before making any reduction in assessments of its own motion, the board
of review shall give notice to the assessor or chief county assessment officer
who certified the assessment, and give the assessor or chief county assessment
officer an opportunity to be heard thereon.
(h) All complaints of errors in
assessments of property shall be in writing, and shall be filed by the
complaining party with the board of review, in duplicate. The duplicate shall
be filed by the board of review with the assessor or chief county assessment
officer who certified the assessment.
(i) In all cases where a change in assessed
valuation of $100,000 or more is sought, the board of review shall also serve a
copy of the petition on all taxing districts as shown on the last available tax
bill at least 14 days prior to the hearing on the complaint. All taxing
districts shall have an opportunity to be heard on the complaint.
shall be classified by townships or taxing districts by the clerk of the board
of review. All classes of complaints shall be docketed numerically, each in its
own class, in the order in which they are presented, in books kept for that
purpose, which books shall be open to public inspection. Complaints shall be
considered by townships or taxing districts until all complaints have been
heard and passed upon by the board.
(Source: P.A. 97-812, eff. 7-13-12; 98-322, eff. 8-12-13.)