SOURCE: Adopted at 5 Ill. Reg. 8896, effective August 25, 1981; codified at 5 Ill. Reg. 10645; amended at 6 Ill. Reg. 357, effective December 23, 1981; amended at 6 Ill. Reg. 9648, effective July 21, 1982; amended at 7 Ill. Reg. 8815, effective July 15, 1983; amended at 8 Ill. Reg. 16796, effective August 30, 1984; amended at 9 Ill. Reg. 11620, effective July 16, 1985; peremptory amendments at 9 Ill. Reg. 14383, effective September 5, 1985; amended at 10 Ill. Reg. 15607, effective September 16, 1986; amended at 11 Ill. Reg. 9575, effective May 5, 1987; emergency amendments at 11 Ill. Reg. 15253, effective August 28, 1987, for a maximum of 150 days; emergency expired January 25, 1988; amended at 12 Ill. Reg. 12261, effective July 15, 1988; amended at 13 Ill. Reg. 12869, effective July 21, 1989; amended at 14 Ill. Reg. 11207, effective June 29, 1990; amended at 15 Ill. Reg. 10057, effective June 24, 1991; amended at 16 Ill. Reg. 11162, effective June 30, 1992; amended at 17 Ill. Reg. 10877, effective July 1, 1993; amended at 18 Ill. Reg. 9998, effective June 21, 1994; amended at 19 Ill. Reg. 10577, effective July 1, 1995; amended at 20 Ill. Reg. 10851, effective August 5, 1996; amended at 21 Ill. Reg. 9061, effective June 26, 1997; amended at 22 Ill. Reg. 14782, effective August 3, 1998; amended at 23 Ill. Reg. 9033, effective July 28, 1999; amended at 24 Ill. Reg. 8901, effective June 19, 2000; amended at 25 Ill. Reg. 11364, effective August 14, 2001; amended at 26 Ill. Reg. 13605, effective September 3, 2002; amended at 28 Ill. Reg. 12882, effective September 1, 2004; amended at 29 Ill. Reg. 9814, effective June 27, 2005; amended at 30 Ill. Reg. 12267, effective June 28, 2006; amended at 31 Ill. Reg. 9199, effective June 18, 2007; amended at 32 Ill. Reg. 10125, effective June 30, 2008; amended at 33 Ill. Reg. 9719, effective June 26, 2009; amended at 34 Ill. Reg. 12848, effective August 20, 2010; amended at 35 Ill. Reg. 13254, effective July 26, 2011; amended at 37 Ill. Reg. 20735, effective December 12, 2013; amended at 39 Ill. Reg. 11461, effective August 3, 2015; amended at 40 Ill. Reg. 10690, effective July 20, 2016; amended at 41 Ill. Reg. 8798, effective June 28, 2017; amended at 43 Ill. Reg. 9644, effective August 23, 2019; amended at 45 Ill. Reg. 12837, effective September 24, 2021.
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