Principle 3 Understandable · Guideline 3.3: Input Assistance
3.3.4 Error Prevention (Legal, Financial, Data)
Consequential submissions can be checked, corrected or reversed.
What this means in practice
Covers orders, contracts and data deletion. A review step before submitting, with a way to correct, usually satisfies this.
Normative wording
The binding text lives at the W3C. What you read here is our own faithful rendering – not a quotation.