Amended effective 10/7/1970; amended January 31, 1972, effective 3/1/1972; amended February 17, 1977, effective 4/1/1977, in counties other than Cook, effective 7/1/1977, in Cook County; amended September 29, 1978, effective 11/1/1978; amended September 20, 1979, effective 10/15/1979; amended December 22, 1981, effective 1/15/1982; amended April 27, 1984, effective 7/1/1984; amended March 27, 1985, effective 5/1/1985; amended June 26, 1987, effective 8/1/1987; amended June 19, 1989, effective 8/1/1989; amended January 11, 1990, effective immediately; amended December 7, 1990, effective 1/1/1991; amended June 12, 1992, effective 7/1/1992; amended September 27, 1993, effective 10/1/1993; amended April 11, 2000, effective immediately; amended September 30, 2002, effective immediately; amended December 5, 2003, effective immediately; amended May 30, 2008, effective immediately; amended June 11, 2009, effective immediately; amended June 3, 2010, effective 9/15/2010; amended December 7, 2011, effective immediately; amended December 12, 2013, effective 1/1/2014; amended December 30, 2014, effective 1/1/2015; amended December 10, 2018, effective 1/1/2019; amended March 8, 2019, eff. 7/1/2019; amended Feb. 6, 2020, eff. 3/1/2020; amended June 9, 2020, eff. 7/1/2020; reserved Oct. 27, 2022, eff. 1/1/2023; repealed July 18, 2023, eff. 9/18/2023.