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SOURCE: Adopted at 19 Ill. Reg. 10716, effective July 11, 1995; amended at 24 Ill. Reg. 1269, effective January 10, 2000; amended at 24 Ill. Reg. 12092, effective July 31, 2000; amended at 26 Ill. Reg. 12045, effective July 22, 2002; amended at 33 Ill. Reg. 17093, effective December 1, 2009; amended at 34 Ill. Reg. 7750, effective May 20, 2010; amended at 34 Ill. Reg. 19082, effective November 22, 2010; amended at 35 Ill. Reg. 7412, effective April 21, 2011; amended at 36 Ill. Reg. 2384, effective January 30, 2012; amended at 39 Ill. Reg. 5101, effective March 23, 2015; amended at 39 Ill. Reg. 11633, effective July 28, 2015; amended at 40 Ill. Reg. 9646, effective July 1, 2016; amended at 45 Ill. Reg. 750, effective December 28, 2020; emergency amendment at 45 Ill. Reg. 1222, effective January 6, 2021, for a maximum of 150 days; amended at 45 Ill. Reg. 6602, effective May 4, 2021.
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