The Residential Code 2018 (IRC 2018) is a model code produced by the International Code Council (ICC). This document provides the foundation for many state and city codes. The IRC 2018 combined with local jurisdiction amendments form the state codes. Adopting jurisdictions include California, Colorado, Florida, Georgia, Idaho, Indiana, Kansas, Maryland, Minnesota, Montana, Nebraska, Nevada, New Jersey, New York State, North Dakota, Ohio, Oregon, Puerto Rico, South Carolina, Tennessee, and Washington.