Cert
3. UnderstandableLevel AA

3.3.4 Error Prevention (Legal, Financial, Data)

오류 방지(법적·금전적·데이터)

Summary

Submissions with legal or financial consequences must be reversible, checked, or confirmable — any one of the three suffices. It covers payments, contract agreements, and data deletion, where a mis-click is hard to undo.

Common failures

  • Completing a transaction the instant the pay button is pressed, with no confirmation step.

Corresponding KWCAG 2.2 items

No corresponding KWCAG 2.2 checkpoint.

Related study units

Read the W3C source — Understanding SC 3.3.4