This study guide is an independent educational publication. It has not been authorized, sponsored, or otherwise approved by the Arizona Registrar of Contractors (ROC), the International Code Council (ICC), the Occupational Safety and Health Administration (OSHA), the American Concrete Institute (ACI), the American Institute of Steel Construction (AISC), or any other government agency, trade organization, or examination body. Furthermore, to the extent this work acts as a companion or summary, this independent publication is not affiliated with, sponsored by, or endorsed by Marcus Frazier, author of the original book Arizona Contractors License Study Guide 2026-2027. "Arizona Registrar of Contractors," "ROC," "International Building Code," "IBC," and all other brand names, product names, trademarks, and registered trademarks mentioned in this publication are the property of their respective owners. Their use in this guide is strictly for informational and educational purposes and does not imply any affiliation, endorsement, or sponsorship.