AUTHORITY: Implementing Sections 5-102 and 5-103 and authorized by Section 10-101 of the Public Utilities Act [220 ILCS 5/5-102, 5-103, and 10-101].
SOURCE: Adopted April 15, 1974; amended at 2 Ill. Reg. 52, p. 473, effective January 1, 1979; codified at 7 Ill. Reg. 15949; amended at 7 Ill. Reg. 15972, effective November 18, 1983; emergency amendment at 8 Ill. Reg. 7636, effective May 17, 1984, for a maximum of 150 days; amended at 8 Ill. Reg. 21231, effective October 15, 1984; amended at 9 Ill. Reg. 4029, effective April 1, 1985; amended at 9 Ill. Reg. 9453, effective June 10, 1985; amended at 9 Ill. Reg. 18912, effective November 20, 1985; amended at 10 Ill. Reg. 161, effective December 23, 1985; emergency amendment at 10 Ill. Reg. 775, effective January 1, 1986, for a maximum of 150 days; amended at 10 Ill. Reg. 10526, effective May 30, 1986; amended at 11 Ill. Reg. 9035, effective May 1, 1987; emergency repealer and emergency rules adopted at 12 Ill. Reg. 1295, effective January 1, 1988, for a maximum of 150 days; Part repealed, new Part adopted at 12 Ill. Reg. 9645, effective May 25, 1988; amended at 13 Ill. Reg. 7570, effective May 15, 1989; amended at 13 Ill. Reg. 16971, effective November 1, 1989; amended at 14 Ill. Reg. 10021, effective June 15, 1990; amended at 15 Ill. Reg. 8205, effective June 1, 1991; amended at 27 Ill. Reg. 13360, effective August 1, 2003; amended at 29 Ill. Reg. 14540, effective October 1, 2005; amended at 38 Ill. Reg. 13859, effective June 20, 2014; amended at 46 Ill. Reg. 20777, effective December 15, 2022.