Ill. Admin. Code tit. 14, § 580.150 – Application Approval Process

a) Application Approval Requirements. Applications shall be submitted to the Department and approved or denied in writing within 90 days after receipt. The Department will issue a certification of exemption to the Illinois Department of Revenue for approved applicants, with a copy to the approved applicant. The application shall be approved if it meets the following requirements:
1. 1) The applicant has an executed REV Illinois agreement; and
2. 2) The applicant eligibility criteria outlined in Section 580.130 are met.
b) 10-Year Exemption Period. All certified businesses shall receive a ten-year exemption from Section 2-4 of the Electricity Excise Tax Law, and Section 9-222 of the Public Utilities Act.
c) Failure to Comply. Applicant shall repay the exempted amount if the applicant fails to comply with the terms and conditions of the executed REV Illinois agreement. [20 ILCS 686/95]