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Accessibility is committed to making and its Web site accessible to the widest possible audience, including individuals with disabilities. Information from should be accessible via screen readers and other accessibility tools with the exception of some pre-2001 information. This information may not be available in accessible formats.

If you need an alternative means of access to any information on, please contact us at Let us know the nature of your accessibility problem, the Web address of the requested information, and your contact information.

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Section 508 Accessibility Requirements

In keeping with its mission, follows the rules and regulations of Section 508 of the Rehabilitation Act and the U.S. Department of Health and Human Services (HHS) Secretary's Section 508 Implementation Policy.

Section 508 requires Federal agencies to ensure that individuals with disabilities have access to and use of electronic and information technology (EIT).

To learn more about Section 508: