Ill. Admin. Code tit. 83, § 501.5
Effectiveness of this Part
AUTHORITY: Implementing and authorized by Sections 8-301, 8-302, 8-501, 9-201, 10-101, 10-107, 19-110(e)(3) and 19-115(b)(1), (b)(4) and (b)(5) of the Public Utilities Act [220 ILCS 5/8-301, 8-302, 8-501, 9-201, 10-101, 10-107, 19-110(e)(3) and 19-115(b)(1), (b)(4) and (b)(5)].ILLINOIS COMMERCE COMMISSION
The provisions of this Part shall apply beginning January 1, 2017. For the rules effective through December 31, 2016, see 83 Ill. Adm. Code 500.