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Do Not Require Unnecessary Form Data

One of the keys to creating highly accessible forms is to avoid as many errors as possible before the form is submitted. Ensure that forms are as simple and intuitive as possible, and don’t require that a field be filled out if the content is not necessary (e.g., a telephone number to subscribe to an email discussion list). Errors can also be prevented by allowing informatoin to be entered in a number of logical formats. For example, allow a telephone number to be formatted: (123)456-7890, 123-456-7890, 123.456.7890, or 1234567890, as long as ten numerals are present. This data can easily be reformatted using scripting or database languages for further usage.

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