15 ILCS 17/45: Rules.

(a) Any rules that (1) relate to the functions of the Office of Energy and Recycling transferred to the Environmental Protection Agency by this Act, (2) are in full force on the effective date of this Act, and (3) have been duly adopted by the Department of Commerce and Economic Opportunity shall become the rules of the Environmental Protection Agency. This Act does not affect the legality of any such rules in the Illinois Administrative Code.

(b) Any proposed rule filed with the Secretary of State by the Department of Commerce and Economic Opportunity that pertains to the functions of the Office of Energy and Recycling transferred to the Environmental Protection Agency by this Act, and that is pending in the rulemaking process on the effective date of this Act shall be deemed to have been filed by the Environmental Protection Agency.

(c) On and after the effective date of this Act, the Environmental Protection Agency may propose and adopt, under the Illinois Administrative Procedure Act, other rules that relate to the functions of the Office of Energy and Recycling transferred to the Environmental Protection Agency by this Act.