spec checked
Nacha: Supplementing Fraud Detection Standards for WEB Debits
Documents that WEB debit originators must include account validation in commercially reasonable fraud detection, with validation required for first use and account-number changes.
Pattern Decisions This Source Supports
| Pattern | Supported decision | Required contract | Claim note |
|---|---|---|---|
| Bank details | Choose bank details when the service needs financial account identifiers for payout, debit, refund, payroll, account linking, bank transfer, or payment initiation. | Users can paste account details from trusted sources without losing spacing, leading zeros, or roll-number characters. | Nacha supports account validation for online ACH debit first-use details and account-number changes. |
Evidence Role
This source is treated as spec evidence. Use it to validate the decision rules above, not as a visual style reference.
Publisher: Nacha. Last checked: .