AUTHORITY: Implementing Section 13-703 and authorized by Section 10-101 of the Public Utilities Act [220 ILCS 5/13-703 and 10-101].
SOURCE: Adopted at 12 Ill. Reg. 3687, effective February 1, 1988; amended at 14 Ill. Reg. 3042, effective February 15, 1990; emergency amendments at 14 Ill. Reg. 19375, effective November 25, 1990, for a maximum of 150 days; amended at 15 Ill. Reg. 5624, effective April 15, 1991; amended at 17 Ill. Reg. 5594, effective March 31, 1993; amended at 19 Ill. Reg. 17105, effective January 1, 1996; expedited correction at 20 Ill. Reg. 11490, effective January 1, 1996; amended at 28 Ill. Reg. 860, effective January 1, 2004; amended at 28 Ill. Reg. 8875, effective July 1, 2004; amended at 36 Ill. Reg. 15058, effective October 1, 2012; amended at 41 Ill. Reg. 5401, effective May 5, 2017; amended at 43 Ill. Reg. 7869, effective July 2, 2019.