AUTHORITY: Implementing Sections 8-301, 8-505 and 13-712 and authorized by Section 10-101 of the Public Utilities Act [220 ILCS 5/8-301, 8-505, 13-712 and 10-101].
SOURCE: Filed November 6, 1970; amended at 7 Ill. Reg. 2147, effective February 4, 1983; codified at 8 Ill. Reg. 12191; Part repealed and new Part adopted at 15 Ill. Reg. 16060, effective November 1, 1991; amended at 24 Ill. Reg. 13861, effective September 1, 2000; amended at 27 Ill. Reg. 17997, effective December 1, 2003; amended at 35 Ill. Reg. 8808, effective June 1, 2011; amended at 36 Ill. Reg. 14990, effective October 1, 2012; amended at 39 Ill. Reg. 355, effective December 22, 2014; amended at 41 Ill. Reg. 4724, effective April 19, 2017; amended at 47 Ill. Reg. 4319, effective March 15, 2023.