This easy to use guide identifies the significant changes to the minimum regulations for residential building systems that occurred between the 2003 and 2006 editions of the international residential coder rather than addressing every code change the book instead focuses squarely on those provisions that have special significance are utilized frequently or have had a change in application . Significant changes to the international residential code book read reviews from worlds largest community for readers this easy to use guide identifie. Significant changes to the 2006 international residential code this easy to use guide identifies the significant changes to the minimum regulations for residential building systems that occurred between the 2003 and 2006 editions of the international residential code price 3995 product code 1418028789. Differences between the 2003 and 2006 editions of the iecc the residential provisions of the iecc were completely restructured in the 2006 edition resulting in a code that is much shorter and simpler than its 2006 predecessor the most significant changes resulted from a proposal by doe that was primarily intended to improve the ieccs