Such exemptions, modifications, or alternatives shall be effected by rule or regulation promulgated in accordance with the Illinois Administrative Procedure Act. The Agency promulgating such exemptions, modifications, or alternatives shall file with its proposed rule or regulation its findings that the proposed rule or regulation provides economic incentives within enterprise zones which promote the purposes of this Act and which, to the extent they include any exemptions or reductions in regulatory standards or requirements, outweigh the need or justification for the existing rule or regulation.
20 ILCS 655/9.1