The Department of Homeland Security (DHS)'s Customer Experience Directorate (CXD), formerly known as the Office of Accessible Systems & Technology (OAST), has a mission to provide strategic direction, technical support, and training to ensure agency employees and customers with disabilities have equal access to information and data. Section 508 of the Rehabilitation Act of 1973, as amended (29 U.S.C. 794d), requires all federal departments and agencies to ensure that their information and communications technology (ICT) is accessible to people with disabilities.