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The Department of Homeland Security is committed to providing accessible Information and Communication Technology (ICT) to individuals with disabilities, including members of the public and federal employees, by meeting or exceeding the requirements of Section 508 of the Rehabilitation Act of 1973. In addition, the Department is also committed to ensuring accessibility of our buildings and facilities as required by the Architectural Barriers Act, 42 U.S.C. 4151 through 4157.

Section 508 of the Rehabilitation Act of 1973, as amended (29 U.S.C. 794d)

Section 508 of the Rehabilitation Act of 1973, as amended requires agencies, during the procurement, development, maintenance, or use of ICT, to ensure that individuals with disabilities have access to and use of ICT information and data comparable to the access and use afforded to individuals without disabilities (i.e., “ICT accessibility”), unless an undue burden would be imposed on the agency. More information on Section 508 and the technical standards can be found at

If you have feedback, questions, or concerns relating to the accessibility of any content that interferes with your ability to access the information on the Department of Homeland Security’s website, please contact Website Issues for assistance. 

If you believe that the Information and Communication Technology (ICT) used by the Department of Homeland Security does not comply with Section 508 of the Rehabilitation Act, you may file a 508 complaint by contacting

To enable us to respond in a manner most helpful to you, please indicate the nature of your accessibility problem, the preferred format in which to receive the material, the web address (URL) of the material with which you are having difficulty, and your contact information.

Architectural Barriers Act of 1968 (42 U.S.C. §§ 4151--57)

The Architectural Barriers Act (ABA) requires access to facilities that are designed, built, altered, or leased with Federal funds. The Access Board is the federal agency responsible for enforcing the ABA. The Access Board's accessibility standards are available on their website at, and information about filing a complaint may be found at

Office of Accessible Systems & Technology

The Office of Accessible Systems & Technology (OAST) guides and supports all Department components in removing barriers to information access and employment of qualified individuals with disabilities in accord with the requirements of Section 508 of the Rehabilitation Act of 1973 (as amended). OAST is part of both the Office for Civil Rights and Civil Liberties and the Office of Chief Information Officer.


Last Published Date: November 9, 2018

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Oct 1

The Revised Section 508 Standards were released in January of 2018. All OAST training resources are being updated to support implementation of the Revised Section 508 Standards.

Jul 13

The following information is provided to assist agencies to get testing tools required by Trusted Tester V5 approved for use within their IT environments. This information is based on the latest status of the Federal Accessibility Community of Practice Working Group. Some tools may be updated prior to the final Trusted Tester V5 release, however we recommend initiating approval procedures for these tools now to prepare for fall release of the updated process.

Jul 13

After nearly five years of operation, the online Trusted Tester V3 training and certification is coming to an end.  As of 06/29/2018, the DHS Office of Accessible Systems and Technology (OAST) is no longer accepting training requests for Trusted Tester V3.  To prepare for the fall release of the updated Trusted Tester V5 training and certification online courses, no further enrollments will be made in the current online courses.  Students currently enrolled must complete the courses by 09/30/2018.  No retaking of courses will be allowed after that date, with no exceptions.  Trusted Tester V5 and other online training will be released in the fall.

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