The WEB Debit Account Validation Rule became effective March 19, 2021. The rule was originally approved by Nacha members in November 2018 to become effective January 1, 2020.

This rule expands access to Same Day ACH by allowing Same Day ACH transactions to be submitted to the ACH Network for an additional two hours every business day. The new Same Day ACH processing window became effective on March 19, 2021.

This rule better differentiates among types of unauthorized return reasons for consumer debits. This differentiation will give ODFIs and their Originators clearer and better information when a customer claims that an error occurred with an authorized payment, as opposed to when a customer cl