AUTHORITY: Implementing and authorized by Section 16-115 of the Public Utilities Act [220 ILCS 5/16-115].
SOURCE: Adopted at 23 Ill. Reg. 5528, effective May 1, 1999; amended at 23 Ill. Reg. 13820, effective December 1, 1999; amended at 24 Ill. Reg. 15971, effective October 15, 2000; amended at 26 Ill. Reg. 7039, effective May 1, 2002; expedited correction at 26 Ill. Reg. 15115, effective May 1, 2002; amended at 32 Ill. Reg. 17126, effective November 1, 2008; emergency amendment at 34 Ill. Reg. 3040, effective February 19, 2010, for a maximum of 150 days; emergency expired July 18, 2010; amended at 34 Ill. Reg. 15283, effective September 25, 2010; amended at 43 Ill. Reg. 10450, effective September 3, 2019.