Amended effective 10/7/1970; amended February 17, 1977, effective 4/1/1977, in counties other than Cook, effective 7/1/1977, in Cook County; amended December 22, 1981, effective 1/15/1982; amended April 27, 1984, effective 7/1/1984; amended June 26, 1987, effective 8/1/1987; amended 8/21/1996, effective immediately; amended March 8, 2019, eff. 7/1/2019; reserved Oct. 27, 2022, eff. 1/1/2023; repealed July 18, 2023, eff. 9/18/2023.