SOURCE: Adopted June 1, 1940; amended at 5 Ill. Reg. 2999, effective March 11, 1981; amended at 5 Ill. Reg. 5888, effective May 26, 1981; amended at 6 Ill. Reg. 9707, effective July 27, 1982; amended at 6 Ill. Reg. 14564, effective November 5, 1982; codified at 7 Ill. Reg. 5886; amended at 8 Ill. Reg. 24285, effective December 5, 1984; amended at 9 Ill. Reg. 159, effective December 26, 1984; amended at 9 Ill. Reg. 12022, effective July 24, 1985; amended at 10 Ill. Reg. 11284, effective June 16, 1986; amended at 10 Ill. Reg. 15125, effective September 2, 1986; amended at 11 Ill. Reg. 19675, effective November 23, 1987; amended at 11 Ill. Reg. 20972, effective December 11, 1987; amended at 12 Ill. Reg. 14346, effective August 29, 1988; amended at 13 Ill. Reg. 6803, effective April 12, 1989; amended at 13 Ill. Reg. 7469, effective May 2, 1989; amended at 15 Ill. Reg. 3522, effective February 21, 1991; emergency rule added at 15 Ill. Reg. 14297, effective October 1, 1991, for a maximum of 150 days; amended at 16 Ill. Reg. 2624, effective February 4, 1992; emergency amendment at 17 Ill. Reg. 22584, effective January 1, 1994, for a maximum of 150 days; emergency expired May 30, 1994; amended at 18 Ill. Reg. 15618, effective October 11, 1994; emergency amendment at 19 Ill. Reg. 2476, effective February 17, 1995, for a maximum of 150 days; emergency expired July 16, 1995; emergency amendment at 19 Ill. Reg. 3555, effective March 1, 1995, for a maximum of 150 days; emergency expired July 28, 1995; emergency amendment at 20 Ill. Reg. 7540, effective May 21, 1996, for a maximum of 150 days; amended at 20 Ill. Reg. 13611, effective October 3, 1996; amended at 20 Ill. Reg. 13993, effective October 3, 1996; emergency amendment at 20 Ill. Reg. 15613, effective November 22, 1996, for a maximum of 150 days; emergency expired on April 21, 1997; amended at 21 Ill. Reg. 6921, effective May 22, 1997; emergency amendment at 23 Ill. Reg. 9909, effective August 2, 1999, for a maximum of 150 days; emergency expired December 29, 1999; amended at 23 Ill. Reg. 14759, effective December 8, 1999; amended at 24 Ill. Reg. 2428, effective January 25, 2000; amended at 25 Ill. Reg. 191, effective December 26, 2000; amended at 25 Ill. Reg. 6396, effective May 1, 2001; amended at 26 Ill. Reg. 3727, effective February 26, 2002; emergency amendment at 27 Ill. Reg. 17094, effective October 24, 2003, for a maximum of 150 days; amended at 28 Ill. Reg. 1395, effective January 9, 2004; amended at 28 Ill. Reg. 2257, effective January 22, 2004; emergency amendment at 28 Ill. Reg. 9690, effective June 28, 2004, for a maximum of 150 days; amended at 28 Ill. Reg. 14662, effective October 19, 2004; amended at 28 Ill. Reg. 15599, effective November 17, 2004; amended at 31 Ill. Reg. 12994, effective August 21, 2007; amended at 32 Ill. Reg. 13253, effective July 28, 2008; amended at 34 Ill. Reg. 6921, effective April 29, 2010; amended at 34 Ill. Reg. 11804, effective July 27, 2010; amended at 40 Ill. Reg. 15363, effective October 31, 2016.
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