SOURCE: Adopted by emergency rule at 24 Ill. Reg. 6118, effective March 24, 2000, for a maximum of 150 days; emergency expired August 20, 2000; adopted at 24 Ill. Reg. 14441, effective September 12, 2000; emergency amendment at 25 Ill. Reg. 13323, effective October 3, 2001, for a maximum of 150 days; amended at 26 Ill. Reg. 3747, effective February 20, 2002; emergency amendment at 29 Ill. Reg. 19308, effective November 14, 2005, for a maximum of 150 days; emergency expired April 12, 2006; amended at 41 Ill. Reg. 13368, effective October 20, 2017; amended at 45 Ill. Reg. 2052, effective January 29, 2021; amended at 46 Ill. Reg. 3183, effective February 8, 2022.