SOURCE: Adopted September 21, 1977; codified at 7 Ill. Reg. 16022; amended at 9 Ill. Reg. 8608, effective May 28, 1985; amended at 9 Ill. Reg. 17766, effective November 5, 1985; emergency amendment at 10 Ill. Reg. 14314, effective August 18, 1986, for a maximum of 150 days; amended at 11 Ill. Reg. 3073, effective February 2, 1987; amended at 12 Ill. Reg. 4800, effective February 26, 1988; amended at 14 Ill. Reg. 12457, effective July 24, 1990; amended at 15 Ill. Reg. 2692, effective February 1, 1991; amended at 16 Ill. Reg. 18010, effective November 17, 1992; expedited correction at 17 Ill. Reg. 3553, effective November 17, 1992; amended at 18 Ill. Reg. 1171, effective January 10, 1994; emergency amendment at 19 Ill. Reg. 5137, effective March 17, 1995, for a maximum of 150 days; amended at 19 Ill. Reg. 6530, effective May 1, 1995; amended at 19 Ill. Reg. 11813, effective August 4, 1995; amended at 20 Ill. Reg. 6255, effective April 17, 1996; amended at 20 Ill. Reg. 15290, effective November 18, 1996; amended at 22 Ill. Reg. 22233, effective December 8, 1998; emergency amendment at 24 Ill. Reg. 6111, effective March 21, 2000, for a maximum of 150 days; amended at 24 Ill. Reg. 12985, effective August 14, 2000; amended at 25 Ill. Reg. 8159, effective June 21, 2001; amended at 25 Ill. Reg. 16073, effective November 28, 2001; amended at 26 Ill. Reg. 1157, effective January 16, 2002; amended at 26 Ill. Reg. 16160, effective October 21, 2002; amended at 28 Ill. Reg. 8486, effective June 1, 2004; emergency amendment at 28 Ill. Reg. 13637, effective September 27, 2004, for a maximum of 150 days; amended at 29 Ill. Reg. 1891, effective January 24, 2005; amended at 29 Ill. Reg. 11811, effective July 13, 2005; amended at 29 Ill. Reg. 12351, effective July 28, 2005; amended at 29 Ill. Reg. 15789, effective October 3, 2005; amended at 29 Ill. Reg. 19891, effective November 23, 2005; amended at 30 Ill. Reg. 8480, effective April 21, 2006; amended at 30 Ill. Reg. 16338, effective September 26, 2006; amended at 30 Ill. Reg. 17416, effective October 23, 2006; amended at 31 Ill. Reg. 5116, effective March 16, 2007; amended at 31 Ill. Reg. 7135, effective April 25, 2007; amended at 31 Ill. Reg. 9897, effective June 26, 2007; amended at 32 Ill. Reg. 10229, effective June 30, 2008; amended at 33 Ill. Reg. 5448, effective March 24, 2009; amended at 33 Ill. Reg. 15193, effective October 20, 2009; amended at 34 Ill. Reg. 2959, effective February 18, 2010; emergency amendment at 34 Ill. Reg. 9533, effective June 24, 2010, for a maximum of 150 days; amended at 34 Ill. Reg. 17411, effective October 28, 2010; amended at 35 Ill. Reg. 1056, effective January 3, 2011; amended at 35 Ill. Reg. 2230, effective January 20, 2011; amended at 35 Ill. Reg. 12328, effective July 6, 2011; amended at 35 Ill. Reg. 16743, effective September 29, 2011; amended at 36 Ill. Reg. 5580, effective March 20, 2012; amended at 36 Ill. Reg. 8303, effective May 21, 2012; amended at 38 Ill. Reg. 6127, effective February 27, 2014; amended at 38 Ill. Reg. 11203, effective May 6, 2014; amended at 39 Ill. Reg. 2773, effective February 9, 2015; emergency amendment at 39 Ill. Reg. 12369, effective August 20, 2015, for a maximum of 150 days; amended at 39 Ill. Reg. 13411, effective September 24, 2015; amended at 40 Ill. Reg. 1900, effective January 6, 2016; amended at 40 Ill. Reg. 2990, effective January 27, 2016; amended at 40 Ill. Reg. 4929, effective March 2, 2016; amended at 40 Ill. Reg. 12276, effective August 9, 2016; emergency amendment at 40 Ill. Reg. 15957, effective November 18, 2016, for a maximum of 150 days; amended at 41 Ill. Reg. 126, effective December 27, 2016; amended at 41 Ill. Reg. 4430, effective April 5, 2017; amended at 41 Ill. Reg. 6924, effective June 2, 2017; emergency amendment at 41 Ill. Reg. 8932, effective June 28, 2017, for a maximum of 150 days; amended at 41 Ill. Reg. 14044, effective November 3, 2017; amended at 42 Ill. Reg. 11512, effective June 8, 2018; amended at 43 Ill. Reg. 3792, effective February 28, 2019; amended at 43 Ill. Reg. 10213, effective August 30, 2019; amended at 43 Ill. Reg. 10718, effective September 11, 2019; amended at 43 Ill. Reg. 13324, effective October 29, 2019; emergency amendment at 43 Ill. Reg. 14305, effective November 20, 2019, for a maximum of 150 days; emergency amendment to emergency rule at 43 Ill. Reg. 14941, effective December 4, 2019, for the remainder of the 150 days; emergency amendment to amended emergency rule at 44 Ill. Reg. 4085, effective February 25, 2020, for the remainder of the 150 days; amended at 44 Ill. Reg. 1929, effective January 13, 2020; amended at 44 Ill. Reg. 6377, effective April 9, 2020; emergency amendment at 44 Ill. Reg. 7971, effective April 27, 2020, for a maximum of 150 days; emergency expired September 23, 2020; emergency amendment at 44 Ill. Reg. 8382, effective May 1, 2020, for a maximum of 150 days; emergency expired September 27, 2020; amended at 44 Ill. Reg. 9961, effective May 21, 2020; emergency amendment at 44 Ill. Reg. 13498, effective July 31, 2020, for a maximum of 150 days; emergency expired December 27, 2020; emergency amendment at 44 Ill. Reg. 16860, effective September 29, 2020, for a maximum of 150 days; emergency amendment to emergency rule at 44 Ill. Reg. 17816, effective October 23, 2020, for the remainder of the 150 days; emergency rule as amended expired February 25, 2021; amended at 45 Ill. Reg. 867, effective January 4, 2021; amended at 45 Ill. Reg. 1644, effective January 22, 2021; emergency amendment at 45 Ill. Reg. 4543, effective March 24, 2021, for a maximum of 150 days; emergency expired August 20, 2021; amended at 45 Ill. Reg. 5362, effective April 12, 2021; amended at 45 Ill. Reg. 5744, effective April 21, 2021; amended at 45 Ill. Reg. 8280, effective June 24, 2021; amended at 45 Ill. Reg. 9446, effective July 7, 2021; amended at 45 Ill. Reg. 9760, effective July 22, 2021; emergency amendment at 45 Ill. Reg. 11212, effective August 26, 2021, for a maximum of 150 days; emergency expired January 22, 2022; amended at 45 Ill. Reg. 13180, effective October 8, 2021; emergency amendment at 45 Ill. Reg. 14211, effective October 28, 2021, for a maximum of 150 days; emergency amendment to emergency rule at 45 Ill. Reg. 15344, effective November 22, 2021, for the remainder of the 150 days; emergency rule as amended expired March 26, 2022; amended at 45 Ill. Reg. 14769, effective November 10, 2021; amended at 45 Ill. Reg. 15997, effective December 1, 2021; amended at 46 Ill. Reg. 6272, effective April 11, 2022; amended at 46 Ill. Reg. 12736, effective July 13, 2022; amended at 46 Ill. Reg. 17093, effective October 3, 2022; amended at 46 Ill. Reg. 18472, effective November 7, 2022; amended at 47 Ill. Reg. 18457, effective November 28, 2023; amended at 48 Ill. Reg. 2411, effective February 5, 2024.
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