Ill. Admin. Code tit. 14, § 524.230
a) Application to Expand, Limit, or Repeal Incentives
2) Continuation of Incentives. Section 10-5.4(e) and (f) of the Act provide that all incentives and benefits previously offered shall continue for the original term of the zone for three groups:
B) Businesses in the zone or expansions that are proposed or under development on the effective date of the amending ordinance, if the business demonstrates that:
b) Application to Alter Termination Date
c) Application to Make Technical Corrections