Here are some specific instructions for 508 compliant forms on a website:
- Each appropriate input element or form control must have an associated and visible label element or title attribute
- Any neccessary cues for filling out a form must be available to users of assuasive technology (ie mandatory fields, help boxes, error messages).
- The tab order to reach the form and the tab order between form elements must be logical and consistent with the normal and visual order of entering form data.
- Form error messages need to identify the error(s) to the user and describe them to the user in text.