W3C WCAG 3.3.3 Error Suggestion (Level AA)
When input errors are detected and corrections can be suggested, provide those suggestions to the user, unless doing so would compromise security
Where this comes from
Provision: 3.3.3 Error Suggestion (Level AA)
Instrument: W3C Web Content Accessibility Guidelines (WCAG) 2.2
Citation: W3C, Web Content Accessibility Guidelines (WCAG) 2.2, Success Criterion 3.3.3 Error Suggestion, Level AA, W3C Recommendation 05 October 2023
Text version: WCAG 2.2
Who it applies to
It applies when all of these are true:
- Service type — any answer
- Data categories collected — any answer
What engineering work it implies
Sample acceptance criteria Landfall generates for this obligation:
- Personal data is encrypted in transit and at rest
- Access to personal data is role-restricted and access is logged
- A documented incident-response / breach-notification procedure exists and is tested
- Third-party processors are bound by equivalent security obligations
- Unauthorized role cannot read personal-data endpoints (403)
Questions people ask
- Does W3C WCAG 3.3.3 Error Suggestion (Level AA) apply to my service?
- It applies when Service type — any answer; Data categories collected — any answer.
- From when does this apply?
- W3C WCAG 3.3.3 Error Suggestion (Level AA) applies from 5 October 2023. Its current status is: in force.
Find out whether this one lands on you
Landfall's pre-scan answers the applicability question above for your product in minutes, then turns every obligation that applies into traceable engineering tickets with a citation chain your auditors can follow.
Not legal advice. Landfall maps regulatory obligations to engineering work for planning purposes. Its verdicts are not legal advice and create no attorney-client relationship — verify with qualified counsel before relying on them.