Under Section 15 of the EEB Act, when applying the Illinois Energy Conservation Code to residential buildings, CDB may modify the incorporated standards to respond to the unique economy, population distribution, geography and climate of Illinois, as long as the objectives of the Act are maintained pursuant to that statutory authority. Modifications, additions or omissions to IECC are specified in Appendix A and are rules of the CDB and are not requirements of the IECC.
Ill. Admin. Code tit. 71, § 600.400
Amended at 37 Ill. Reg. 789, effective January 11, 2013