55 ILCS 5/5-30016

Within 60 days following close of the public hearing, the preservation commission shall make its determination upon the evidence whether the proposed landmark or preservation district does or does not meet the criteria for designation. A recommendation to the county board that the proposed landmark or preservation district does or does not meet the criteria for designation and should or should not be designated shall be passed by resolution of the preservation commission, and such a recommendation shall be accompanied by a report stating the findings of the preservation commission concerning the historic, archaeological, architectural or scenic significance of the proposed landmark or preservation district.