| Rule ID |
Error 4 |
| Conformance |
Required |
| Definition |
To prevent errors when input includes legal and/or financial transactions (e.g. online shopping, banking), the user must be able to either reverse, check or confirm the data before the transaction is finalized. |
| Purpose |
- The intent of this rule is to help users with disabilities avoid serious consequences as the result of a mistake when performing an action that cannot be reversed. For example, purchasing non-refundable airline tickets or submitting an order to purchase stock in a brokerage account are financial transactions with serious consequences.
|
| Conformance |
Required |
| WCAG Success Criteria |
Success Criterion 3.3.4 Error Prevention (Legal, Financial, Data)
Other Related Success Criterion:
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| Rule Category |
Forms |
| Rule Scope |
Page |
| Techniques |
- Provide a confirmation page showing all the user inputs before for final submission of the information for modification of user controlled data on a server.
- Provide a means for the user to review previous submissions and give them the ability to cancel or modify previous submissions of legal or financial information.
- Use a confirmation checkbox in addition to the submit button, to require the user to confirm the data is valid before submission.
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| Information Links |
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