Ill. Admin. Code tit. 14, § 524.320
a) Notification of Business Cessation. Section 10-9 of the Act requires a business located within a River Edge Redevelopment Zone that has received tax credits or exemptions, regulatory relief, or any other benefits under the Act to notify the Department and the officials of the county and municipality in which the business is located within 60 days after cessation of business operations. For purposes of this Section, business cessation shall mean the business has:
d) Notification of the business cessation shall be submitted to: