EFFECTIVE JANUARY 1, 2016
The 2015 IECC is Illinois state law. The full text of the un‐amended 2015 International Energy Conservation Code (IECC), as published by International Code Council, is available online: http://codes.iccsafe.org/app/book/toc/2015/I‐ Codes/2015%20IECC%20HTML/index.html Illinois amendments may be found by reviewing the Capital Development Board filing on p. 12,425 of the September 11th, 2015, Illinois Register (v.39, i.37). https://www.cyberdriveillinois.com/departments/index/register/ register_volume39_issue37.pdf