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SOURCE: Emergency rule adopted March 24, 1976; codified at 7 Ill. Reg. 12864; amended at 10 Ill. Reg. 12602, effective July 9, 1986; amended at 12 Ill. Reg. 4818, effective February 25, 1988; amended at 20 Ill. Reg. 15304, effective November 18, 1996; amended at 23 Ill. Reg. 13843, effective November 8, 1999; amended at 26 Ill. Reg. 16202, effective October 21, 2002; amended at 29 Ill. Reg. 5467, effective March 29, 2005; amended at 32 Ill. Reg. 7143, effective April 17, 2008; amended at 32 Ill. Reg. 16475, effective September 29, 2008; amended at 36 Ill. Reg. 2220, effective January 24, 2012; amended at 37 Ill. Reg. 9479, effective June 19, 2013; amended at 39 Ill. Reg. 2449, effective February 2, 2015; amended at 40 Ill. Reg. 2287, effective January 13, 2016; amended at 42 Ill. Reg. 5899, effective March 15, 2018; amended at 44 Ill. Reg. 13364, effective July 28, 2020; expedited correction at 45 Ill. Reg. 1008, effective July 28, 2020.
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