This site uses the open source Content Management System Castle. It meets the Web Content Accessibility Guidelines (WCAG v2.0) level 'AA' for people with disabilities, including blindness and low vision, deafness and hearing loss, learning disabilities, cognitive limitations, limited movement, speech disabilities, photosensitivity, and combinations of these.
It is also accessible to content authors with disabilities per the level 'AA' Authoring Tool Accessibility Guidelines (ATAG 2.0).
This site was designed to accommodate the different ways people access and use the Internet.
The site uses assistive technology like WAI-ARIA roles to the current best practices; however, site standards and content vary over time. If this web site does not validate correctly, please contact the Site Administration.
A number of checkpoints in WCAG 2.0 and ATAG 2.0 guidelines are subjective; there may be instances where interpretations vary.
For more information, visit GSA Government-wide Section508 Accessibility Program.