35 ILCS 200/20-230: Settlement with county board.

On the third Monday in December, annually, for all property taxes, the county board shall settle with and allow the county collector credit for the allowance to which he or she is legally entitled. In the 10 years following the completion of a general reassessment of property in any county with 3,000,000 or more inhabitants, made under an order of the Department, settlement shall be made at the regular meeting of the county board held next after the 45th day after all taxes upon property become delinquent and have begun to bear interest.