WCAG 2.2 · Understandable · Level AA
3.3.4 — Error Prevention (Legal, Financial, Data)
For legal/financial/data submissions, changes must be reversible, checked, or confirmed.
Level AAUnderstandable
What it means
For legal/financial/data submissions, changes must be reversible, checked, or confirmed.
How to meet it
Add a review/confirm step or undo for critical submissions.
How AccessScan checks this
This criterion needs a rendered page or human judgement (for example colour contrast, focus visibility, or media review), so it’s part of manual testing and our upcoming deep scan rather than the free static scan.
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