SOURCE: Adopted December 23, 1975; amended at 2 Ill. Reg. 19, p. 180, effective May 13, 1978; old rules repealed, new rules adopted and codified at 7 Ill. Reg. 1336, effective January 25, 1983; amended at 7 Ill. Reg. 16415, effective November 23, 1983; amended at 11 Ill. Reg. 2345, effective February 1, 1987; amended at 11 Ill. Reg. 18735, effective January 1, 1988; emergency amendment at 12 Ill. Reg. 14380, effective September 2, 1988, for a maximum of 150 days; amended at 12 Ill. Reg. 17918, effective December 1, 1988; amended at 13 Ill. Reg. 1819, effective January 30, 1989; amended at 13 Ill. Reg. 18888, effective December 1, 1989; amended at 14 Ill. Reg. 19975, effective January 1, 1991; amended at 14 Ill. Reg. 20535, effective January 1, 1991; amended at 16 Ill. Reg. 15995, effective October 1, 1992; amended at 17 Ill. Reg. 18588, effective October 15, 1993; amended at 20 Ill. Reg. 2171, effective January 20, 1996; amended at 20 Ill. Reg. 3210, effective February 5, 1996; amended at 22 Ill. Reg. 19009, effective October 1, 1998; amended at 32 Ill. Reg. 11980, effective July 10, 2008; amended at 37 Ill. Reg. 20365, effective December 6, 2013; amended at 38 Ill. Reg. 11775, effective May 21, 2014; amended at 38 Ill. Reg. 23109, effective November 20, 2014; amended at 39 Ill. Reg. 5006, effective March 17, 2015; amended at 39 Ill. Reg. 10619, effective July 15, 2015; amended at 40 Ill. Reg. 9532, effective June 29, 2016; former Part repealed at 42 Ill. Reg. 24242 and new Part adopted at 42 Ill. Reg. 24245, effective December 7, 2018.
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