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SOURCE: Adopted July 14, 1960, effective January 1, 1962; old rules repealed, new rules adopted and codified at 8 Ill. Reg. 160, effective January 1, 1984; amended at 9 Ill. Reg. 4016, effective April 1, 1985; amended at 9 Ill. Reg. 13079, effective August 15, 1985; amended at 12 Ill. Reg. 11710, effective July 15, 1988; amended at 18 Ill. Reg. 10692, effective July 1, 1994; amended at 18 Ill. Reg. 17996, effective December 15, 1994; amended at 22 Ill. Reg. 6647, effective April 1, 1998; amended at 23 Ill. Reg. 1346, effective February 1, 1999; amended at 28 Ill. Reg. 334, effective December 31, 2003; amended at 31 Ill. Reg. 11553, effective August 1, 2007; amended at 38 Ill. Reg. 23806, effective December 2, 2014.