Great....Even better, they wrote the codes: .....(BOCA), International Conference of Building Officials (ICBO), and Southern Building Code Congress International, Inc. (SBCCI)..... nation’s three model code groups responded by creating the International Code Council and by developing codes without regional limitations; the International Codes. Question: What is the relationship between the International Code Council (ICC) and ICC-ES? Answer: ICC-ES is a subsidiary of ICC, but is a separate company and has its own management, staff, rules, and procedures. http://www.icc-es.org/Help/about.shtml Wood was approved by the subsidiary that wrote the International codes and it passed! Enough said.