SOURCE: Adopted at 2 Ill. Reg. 31, p. 77, effective August 2, 1978; emergency amendment at 3 Ill. Reg. 38, p. 314, effective September 7, 1979, for a maximum of 150 days; amended at 3 Ill. Reg. 40, p. 153, effective October 6, 1979; emergency amendment at 4 Ill. Reg. 18, p. 129, effective April 21, 1980, for a maximum of 150 days; amended at 4 Ill. Reg. 40, p. 56, effective September 23, 1980; emergency amendment at 6 Ill. Reg. 5855, effective April 28, 1982, for a maximum of 150 days; amended at 6 Ill. Reg. 11006, effective August 30, 1982; amended at 7 Ill. Reg. 13665, effective October 4, 1983; codified at 8 Ill. Reg. 16829; amended at 9 Ill. Reg. 4836, effective April 1, 1985; amended at 14 Ill. Reg. 2382, effective February 15, 1990; amended at 15 Ill. Reg. 5376, effective May 1, 1991; amended at 18 Ill. Reg. 2414, effective January 22, 1994; emergency amendments at 20 Ill. Reg. 488, effective January 1, 1996, for a maximum of 150 days; emergency expired May 29, 1996; amended at 20 Ill. Reg. 3273, effective February 15, 1996; amended at 20 Ill. Reg. 10033, effective July 15, 1996; amended at 22 Ill. Reg. 3948, effective February 13, 1998; amended at 22 Ill. Reg. 22050, effective December 10, 1998; amended at 23 Ill. Reg. 1028, effective January 15, 1999; amended at 24 Ill. Reg. 17213, effective November 1, 2000; amended at 25 Ill. Reg. 6379, effective May 1, 2001; amended at 26 Ill. Reg. 11241, effective July 15, 2002; amended at 28 Ill. Reg. 3487, effective February 9, 2004; amended at 28 Ill. Reg. 8094, effective May 26, 2004; amended at 29 Ill. Reg. 20003, effective November 28, 2005; amended at 31 Ill. Reg. 9453, effective June 25, 2007; amended at 32 Ill. Reg. 8949, effective June 5, 2008; amended at 34 Ill. Reg. 5711, effective April 5, 2010; amended at 39 Ill. Reg. 16406, effective December 10, 2015; amended at 43 Ill. Reg. 9134, effective August 12, 2019; emergency amendment at 44 Ill. Reg. 5929, effective March 25, 2020, for a maximum of 150 days; emergency expired August 21, 2020; emergency amendment at 44 Ill. Reg. 14328, effective August 24, 2020, for a maximum of 150 days; emergency rule expired January 20, 2021; emergency amendment at 45 Ill. Reg. 1710, effective January 21, 2021, for a maximum of 150 days; emergency expired June 19, 2021; emergency amendment at 45 Ill. Reg. 6335, effective May 3, 2021, for a maximum of 150 days; amended at 45 Ill. Reg. 11077, effective August 27, 2021; amended at 46 Ill. Reg. 10410, effective May 31, 2022; amended at 47 Ill. Reg. 3765, effective March 2, 2023; amended at 47 Ill. Reg. 17468, effective November 8, 2023.
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