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The Department of Homeland Security Office of Accessible Systems & Technology (OAST) is committed to the development of the common testing approach for accessibility compliance and conformity, named Trusted Tester (TT).  TT provides a code-inspection based test approach for determining software and web site conformance to the Section 508 standards.

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The Department of Homeland Security Office of Accessible Systems & Technology (OAST) is committed to the development of the common testing approach for accessibility compliance and conformity, named Trusted Tester Version 5 (TTV5). TTV5 provides a code-inspection based test approach for determining web content conformance to the Section 508 standards.

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