In counties having a population of less than 1,000,000, the general officer of the county having authority to receive State and county taxes shall, not later than August 15 each year, designate a day in the month of October upon which application will be made for judgment and order of sale for unpaid special assessments or installments thereof, and interest thereon, on delinquent land, town lots, and real property and also a Monday succeeding the date of that application, on which the land and lots for the sale of which an order is made will be exposed to public sale, and shall forthwith notify the collectors of all municipalities situated in whole or in part within the county of the dates so designated.
65 ILCS 5/9-2-83