Text equivalent for all essential non-text elements must be provided.

Multimedia presentations must have synchronized equivalent alternatives

Color may not be used as the only method for identifying important information on the page.

Documents must be readable without style sheet support.

Pages using server-side image maps must include redundant text links.

Client-side image maps are preferred over server-side image maps where possible.

When tables are used in a page, appropriate and accurate coding should be used.

Information in tables be readable by assistive technology.

Frame documents must be titled so that assistive technology can identify their contents.

Blinking or flashing animated page elements should be avoided;

Text-only web pages should be provided only as a last-resort alternative;

Client-side scripts must make their results available in text form to assistive technology;

Web sites providing documents which require plug-ins must provide links to these (Section 508-compliant) plug-ins;

Electronic forms must be accessible to assistive technology;

Provisions must be made for assistive technology to bypass repetitive navigation links;

If a page requiring user input must time out, the user must be alerted and given enough time to respond.

When software is designed to run on a system that has a keyboard, product functions shall be executable from a keyboard where the function itself or the result of performing a function can be discerned textually.

Applications shall not disrupt or disable activated features of other products that are identified as accessibility features, where those features are developed and documented according to industry standards. Applications also shall not disrupt or disable activated features of any operating system that are identified as accessibility features where the application programming interface for those accessibility features has been documented by the manufacturer of the operating system and is available to the product developer.

A well-defined on-screen indication of the current focus shall be provided that moves among interactive interface elements as the input focus changes. The focus shall be programmatically exposed so that assistive technology can track focus and focus changes.

Sufficient information about a user interface element including the identity, operation and state of the element shall be available to assistive technology. When an image represents a program element, the information conveyed by the image must also be available in text.

When bitmap images are used to identify controls, status indicators, or other programmatic elements, the meaning assigned to those images shall be consistent throughout an application's performance.

Textual information shall be provided through operating system functions for displaying text. The minimum information that shall be made available is text content, text input caret location, and text attributes.

Applications shall not override user selected contrast and color selections and other individual display attributes.

When animation is displayed, the information shall be displayable in at least one non-animated presentation mode at the option of the user.

Color coding shall not be used as the only means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.

When a product permits a user to adjust color and contrast settings, a variety of color selections capable of producing a range of contrast levels shall be provided.

Software shall not use flashing or blinking text, objects, or other elements having a flash or blink frequency greater than 2 Hz and lower than 55 Hz.

When electronic forms are used, the form shall allow people using assistive technology to access the information, field elements, and functionality required for completion and submission of the form, including all directions and cues.

All analog television displays 13 inches and larger, and computer equipment that includes analog television receiver or display circuitry, shall be equipped with caption decoder circuitry which appropriately receives, decodes, and displays closed captions from broadcast, cable, videotape, and DVD signals. As soon as practicable, but not later than July 1, 2002, widescreen digital television (DTV) displays measuring at least 7.8 inches vertically, DTV sets with conventional displays measuring at least 13 inches vertically, and stand-alone DTV tuners, whether or not they are marketed with display screens, and computer equipment that includes DTV receiver or display circuitry, shall be equipped with caption decoder circuitry which appropriately receives, decodes, and displays closed captions from broadcast, cable, videotape, and DVD signals.

Television tuners, including tuner cards for use in computers, shall be equipped with secondary audio program playback circuitry.

All training and informational video and multimedia productions which support the agency's mission, regardless of format, that contain speech or other audio information necessary for the comprehension of the content, shall be open or closed captioned.

All training and informational video and multimedia productions which support the agency's mission, regardless of format, that contain visual information necessary for the comprehension of the content, shall be audio described.

Display or presentation of alternate text presentation or audio descriptions shall be user-selectable unless permanent.

Self contained products shall be usable by people with disabilities without requiring an end-user to attach assistive technology to the product. Personal headsets for private listening are not assistive technology.

When a timed response is required, the user shall be alerted and given sufficient time to indicate more time is required.

Where a product utilizes touchscreens or contact-sensitive controls, an input method shall be provided that complies with §1194.23 (k) (1) through (4).

When biometric forms of user identification or control are used, an alternative form of identification or activation, which does not require the user to possess particular biological characteristics, shall also be provided.

When products provide auditory output, the audio signal shall be provided at a standard signal level through an industry standard connector that will allow for private listening. The product must provide the ability to interrupt, pause, and restart the audio at anytime.

When products deliver voice output in a public area, incremental volume control shall be provided with output amplification up to a level of at least 65 dB. Where the ambient noise level of the environment is above 45 dB, a volume gain of at least 20 dB above the ambient level shall be user selectable. A function shall be provided to automatically reset the volume to the default level after every use.

Color coding shall not be used as the only means of conveying information, indicating an action, prompting a response, or distinguishing a visual element.

When a product permits a user to adjust color and contrast settings, a range of color selections capable of producing a variety of contrast levels shall be provided.

Products shall be designed to avoid causing the screen to flicker with a frequency greater than 2 Hz and lower than 55 Hz.

Products which are freestanding, non-portable, and intended to be used in one location and which have operable controls shall comply with the following: