Icc digital codes is the largest provider of model codes custom codes and standards used worldwide to construct safe sustainable affordable and resilient structures. The existing building code 2015 iebc 2015 is a model code produced by the international code council icc this document provides the foundation for many state and city codes the iebc 2015 combined with local jurisdiction amendments form the state codes adopting jurisdictions include colorado connecticut district of columbia florida idaho . Icc digital codes is the largest provider of model codes custom codes and standards used worldwide to construct safe sustainable affordable and resilient structures. 2015 international existing building code standard by international code council 2014 climate appropriate alternative added for building located in tropical zones in the residential providions the inclusion of the energy rating index compliance contains requirements intended to encourage the use and reuse of existing buildings. International existing building code 2015 iebc 2015 most popular sections section 705 accessibility section 1012 change of occupancy classification section 805 means of egress section 804 fire protection section 806 accessibility section 504 alteration level 2 section 503 alteration level 1 section 505 alteration level 3 section 202 general definitions section 905 means of egress