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SOURCE: Adopted April 15, 1976; amended at 4 Ill. Reg. 8, p. 137, effective March 22, 1980; amended at 5 Ill. Reg. 2993, effective March 6, 1981; amended at 6 Ill. Reg. 5518, effective April 14, 1982; codified at 8 Ill. Reg. 1453; amended at 8 Ill. Reg. 16878, effective September 4, 1984; amended at 10 Ill. Reg. 7749, effective April 28, 1986; amended at 11 Ill. Reg. 5208, effective March 12, 1987; amended at 14 Ill. Reg. 2020, effective January 18, 1990; amended at 18 Ill. Reg. 4174, effective March 3, 1994; amended at 19 Ill. Reg. 928, effective January 13, 1995; emergency amendment at 29 Ill. Reg. 20684, effective December 7, 2005, for a maximum of 150 days; amended at 30 Ill. Reg. 7745, effective April 5, 2006.
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