SOURCE: Amended at 5 Ill. Reg. 1337, effective January 30, 1981; amended at 5 Ill. Reg. 12115, effective October 26, 1981; codified at 6 Ill. Reg. 7211; amended at 7 Ill. Reg. 225, effective December 16, 1982; amended at 14 Ill. Reg. 10824, effective June 22, 1990; amended at 16 Ill. Reg. 6982, effective April 21, 1992; amended at 18 Ill. Reg. 14707, effective September 9, 1994; amended at 21 Ill. Reg. 10044, effective July 21, 1997; emergency amendment at 23 Ill. Reg. 719, effective January 4, 1999, for a maximum of 150 days; amended at 23 Ill. Reg. 6796, effective May 24, 1999; emergency amendment at 24 Ill. Reg. 13039, effective August 9, 2000, for a maximum of 150 days; emergency expired January 5, 2001; amended at 24 Ill. Reg. 14214, effective September 11, 2000; amended at 29 Ill. Reg. 18785, effective November 7, 2005; amended at 30 Ill. Reg. 10261, effective June 1, 2006; amended at 30 Ill. Reg. 17496, effective November 3, 2006; amended at 31 Ill. Reg. 7142, effective May 1, 2007; emergency amendment at 33 Ill. Reg. 332, effective January 1, 2009, for a maximum of 150 days; emergency expired May 30, 2009; emergency amendment at 33 Ill. Reg. 9809, effective June 29, 2009, for a maximum of 150 days; emergency expired November 25, 2009; amended at 34 Ill. Reg. 274, effective December 15, 2009; amended at 34 Ill. Reg. 10521, effective July 9, 2010; amended at 35 Ill. Reg. 2295, effective February 4, 2011; amended at 35 Ill. Reg. 12973, effective July 19, 2011; amended at 39 Ill. Reg. 8060, effective May 19, 2015; amended at 42 Ill. Reg. 4977, effective February 28, 2018; amended at 42 Ill. Reg. 13261, effective June 19, 2018; amended at 44 Ill. Reg. 276, effective December 23, 2019; amended at 47 Ill. Reg. 5468, effective March 30, 2023.
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