"Web Content Accessibility Guidelines (WCAG) is developed through the W3C process in cooperation with individuals and organizations around the world, with a goal of proving a single shared standard for web content accessibility that meets the needs of individuals, organizations, and governments internationally" (¶1, 2014.03.03).
"Section 508 (508 statute php , 508 statute pdf) requires that Federal agencies' electronic and information technology is accessible to people with disabilities, including employees and members of the public" (Overview, ¶1, 2014.03.03).