This easy-to-use format includes the full text of ICC A117.1-2017: Standard for Accessible and Usable Buildings and Facilities, including tables and figures, followed by the corresponding commentary for each section. The commentary and accompanying figures explain the background and intent of the requirements and suggest the most effective method of application. Potential consequences of not following the provisions of the standard are also discussed. The ICC A117.1-2017 standard provides the technical requirements to make sites, facilities, buildings and elements accessible to and usable by people with physical disabilities. The intent of the standard is to allow a person with a physical disability to independently get to, enter, and use a site, facility, building, or element. The commentary explains how the provisions of the standard make the elements accessible and is a must-have reference for facility professionals, building owners, architects, designers, and code officials who want to stay current on the requirements of A117.1.