Effective March 1, 2008, the Wisconsin Commercial Building Code (WCBC), Comm 60-66 and Fire Prevention (Comm 14), will be updated, adopting the 2006 editions of the International Building Code, International Energy Conservation Code, International Mechanical Code, International Fuel Gas Code, and (for the first time) the International Existing Building Code.
Neither set of printed code changes are yet available from the state Revisor of Statutes. However, see below for link to down load of free PDF files of special insert pages.
http://commerce.wi.gov/SB/SB-CommBldgsFireChanges308.html