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SOURCE: Adopted by emergency rulemaking at 22 Ill. Reg. 16652, effective September 11, 1998, for a maximum of 150 days; adopted at 23 Ill. Reg. 2591, effective February 1, 1999; amended at 24 Ill. Reg. 9154, effective July 1, 2000; amended at 25 Ill. Reg. 8410, effective July 1, 2001; amended at 26 Ill. Reg. 10043, effective July 1, 2002; amended at 28 Ill. Reg. 9177, effective July 1, 2004; amended at 29 Ill. Reg. 9954, effective July 1, 2005; amended at 32 Ill. Reg. 10349, effective July 1, 2008; amended at 35 Ill. Reg. 3538, effective February 16, 2011; amended at 36 Ill. Reg. 9444, effective July 1, 2012; amended at 37 Ill. Reg. 9554, effective July 1, 2013; amended at 39 Ill. Reg. 9588, effective July 1, 2015; emergency amendment at 40 Ill. Reg. 13029, effective August 29, 2016, for a maximum of 150 days; amended at 40 Ill. Reg. 16811, effective January 1, 2017; emergency amendment at 41 Ill. Reg. 11715, effective September 8, 2017, for a maximum of 150 days; amended at 42 Ill. Reg. 2064, effective January 16, 2018.
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