SOURCE: Filed and effective December 17, 1971; codified at 6 Ill. Reg. 12674; repealed at 7 Ill. Reg. 13678, effective October 14, 1983; New Part adopted at 11 Ill. Reg. 20215, effective November 30, 1987; amended at 14 Ill. Reg. 6859, effective April 24, 1990; amended at 14 Ill. Reg. 10107, effective June 12, 1990; amended at 15 Ill. Reg. 15083, effective October 8, 1991; amended at 16 Ill. Reg. 2172, effective January 24, 1992; amended at 17 Ill. Reg. 8517, effective May 27, 1993; amended at 18 Ill. Reg. 10909, effective June 28, 1994; amended at 20 Ill. Reg. 398, effective December 20, 1995; amended at 20 Ill. Reg. 7956, effective May 30, 1996; amended at 24 Ill. Reg. 1672, effective January 14, 2000; emergency amendment at 27 Ill. Reg. 14361, effective August 20, 2003, for a maximum of 150 days; amended at 27 Ill. Reg. 18458, effective November 24, 2003; emergency amendment at 30 Ill. Reg. 7974, effective April 14, 2006, for a maximum of 150 days; emergency expired September 11, 2006; amended at 30 Ill. Reg. 6392, effective April 12, 2007; amended at 32 Ill. Reg. 16507, effective September 25, 2008; amended at 32 Ill. Reg. 19163, effective November 25, 2008; amended at 35 Ill. Reg. 1790, effective January 13, 2011; amended at 36 Ill. Reg. 5575, effective March 26, 2012; amended at 37 Ill. Reg. 3319, effective February 28, 2013; amended at 38 Ill. Reg. 6119, effective February 27, 2014; amended at 38 Ill. Reg. 20054, effective October 1, 2014; amended at 42 Ill. Reg. 16552, effective August 23, 2018; amended at 46 Ill. Reg. 4091, effective February 25, 2022.
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