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3.3.4 Error Prevention (Legal, Financial, Data) [Level AA]


Error Prevention (Legal, Financial, Data)

3.3.4 For Web pages that cause legal commitments or financial transactions for the user to occur, that modify or delete user-controllable data in data storage systems, or that submit user test responses, at least one of the following is true: (Level AA)Understanding Success Criterion 3.3.4

  1. Reversible: Submissions are reversible.

  2. Checked: Data entered by the user is checked for input errors and the user is provided an opportunity to correct them.

  3. Confirmed: A mechanism is available for reviewing, confirming, and correcting information before finalizing the submission.

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Sufficent Techniques

Advisory Techniques

Advisory Techniques for 3.3.4 - Error Prevention (Legal, Financial, Data)

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