SOURCE: Adopted at 5 Ill. Reg. 9771, effective September 17, 1981; codified at 5 Ill. Reg. 10640; amended at 6 Ill. Reg. 10730, effective August 20, 1982; amended at 7 Ill. Reg. 10798, effective August 24, 1983; amended at 8 Ill. Reg. 21602, effective October 23, 1984; amended at 9 Ill. Reg. 16213, effective October 10, 1985; emergency amendment at 9 Ill. Reg. 20922, effective December 18, 1985, for a maximum of 150 days; amended at 10 Ill. Reg. 4223, effective February 25, 1986; amended at 10 Ill. Reg. 16665, effective September 22, 1986; amended at 11 Ill. Reg. 3044, effective February 3, 1987; amended at 11 Ill. Reg. 9564, effective May 5, 1987; amended at 12 Ill. Reg. 8003, effective April 25, 1988; amended at 12 Ill. Reg. 12055, effective July 11, 1988; amended at 13 Ill. Reg. 12853, effective July 21, 1989; amended at 14 Ill. Reg. 12430, effective July 20, 1990; amended at 14 Ill. Reg. 19869, effective December 3, 1990; amended at 15 Ill. Reg. 10038, effective June 24, 1991; emergency amendment at 15 Ill. Reg. 15790, effective October 22, 1991, for a maximum of 150 days; emergency expired March 21, 1992; amended at 16 Ill. Reg. 11131, effective June 30, 1992; amended at 17 Ill. Reg. 13468, effective July 30, 1993; amended at 18 Ill. Reg. 5859, effective April 5, 1994; amended at 18 Ill. Reg. 13431, effective August 23, 1994; amended at 19 Ill. Reg. 6477, effective April 28, 1995; amended at 20 Ill. Reg. 7515, effective May 20, 1996; amended at 21 Ill. Reg. 5572, effective April 19, 1997; amended at 21 Ill. Reg. 9116, effective June 26, 1997; amended at 22 Ill. Reg. 8007, effective April 28, 1998; amended at 23 Ill. Reg. 5564, effective April 26, 1999; amended at 24 Ill. Reg. 8971, effective June 19, 2000; amended at 24 Ill. Reg. 10260, effective July 1, 2000; amended at 25 Ill. Reg. 7231, effective May 22, 2001; amended at 26 Ill. Reg. 9319, effective June 17, 2002; amended at 27 Ill. Reg. 10009, effective June 23, 2003; emergency amendment at 27 Ill. Reg. 17270, effective November 10, 2003, for a maximum of 150 days; Section 650.60 of the emergency rules expired April 8, 2004; amended at 28 Ill. Reg. 353, effective December 19, 2003; amended at 28 Ill. Reg. 8039, effective May 26, 2004; amended at 29 Ill. Reg. 9718, effective June 24, 2005; emergency amendment at 29 Ill. Reg. 13025, effective August 10, 2005, for a maximum of 150 days; emergency expired January 1, 2006; amended at 30 Ill. Reg. 12155, effective June 28, 2006; amended at 31 Ill. Reg. 8169, effective May 25, 2007; amended at 32 Ill. Reg. 9300, effective June 13, 2008; amended at 33 Ill. Reg. 11534, effective July 27, 2009; amended at 34 Ill. Reg. 4800, effective March 19, 2010; amended at 35 Ill. Reg. 10710, effective June 23, 2011; amended at 36 Ill. Reg. 13419, effective August 10, 2012; amended at 37 Ill. Reg. 14888, effective August 30, 2013; amended at 38 Ill. Reg. 22742, effective November 18, 2014; amended at 39 Ill. Reg. 7643, effective May 18, 2015; amended at 40 Ill. Reg. 10545, effective July 20, 2016; amended at 41 Ill. Reg. 8639, effective June 28, 2017; amended at 41 Ill. Reg. 15784, effective December 18, 2017; amended at 42 Ill. Reg. 13114, effective June 22, 2018; amended at 43 Ill. Reg. 9518, effective August 23, 2019; amended at 44 Ill. Reg. 11528, effective June 29, 2020; amended at 45 Ill. Reg. 12654, effective September 24, 2021; amended at 46 Ill. Reg. 18660, effective November 2, 2022; amended at 47 Ill. Reg. 177, effective January 1, 2023; amended at 48 Ill. Reg. 3973, effective March 1, 2024.
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