ACH Stop Payment

An ACH stop payment is an instruction from an account holder to their own bank asking it not to pay a specific ACH debit, or a series of recurring ACH debits, from a named company. If a matching debit arrives, the bank sends it back through the Automated Clearing House network as an ACH return with the reason code R08, payment stopped.

Stop payments apply the familiar idea of a stop payment on a cheque to electronic debits. In the United States, consumers have a legal right to stop preauthorized debits under Regulation E, while the Nacha Operating Rules govern how banks process the request in the network. Businesses can also place stop payments, under the terms of their bank account agreement.

Regulation E, which implements the Electronic Fund Transfer Act, lets a consumer stop a preauthorized electronic fund transfer from their account by telling the bank, orally or in writing, at least three business days before the scheduled transfer. The bank may ask for written confirmation of an oral request within 14 days and may treat the order as lapsing if the confirmation is not received. Banks may charge a fee for stop payments, as disclosed in their account terms. The Nacha Rules require the receiving bank to honour valid stop payment orders and set out how long they remain effective for single and recurring debits.

1. The account holder contacts their bank, the RDFI, and gives enough detail to identify the debit, usually the company name, the amount or range and the expected date.
2. The bank records the order in its systems, which check incoming ACH files for matching entries.
3. When a matching debit arrives, the bank returns it with code R08 instead of posting it.
4. The originator receives the return through its bank and should contact the customer rather than simply trying again.

Matching depends on data quality. If the company changes the name it uses in its ACH batches or the amount differs from what the customer gave, a narrowly worded stop may miss the debit. Some banks therefore stop all debits from a given company ID.

Stopping a payment at the bank is not the same as cancelling the underlying permission. Revoking an ACH authorization means telling the company that it may no longer debit the account. Consumer advocates and regulators usually advise people to do both: revoke the authorization with the company and place a stop payment with the bank. If a company keeps debiting after authorization has been revoked, the consumer can ask the bank to return the debit as unauthorized, which uses code R07 and a longer time limit. Stopping a payment also does not cancel a debt, so the consumer may still owe the money under the contract.

For companies, stop payments are governed mainly by their account agreements. Many businesses prefer standing controls such as an ACH debit block or ACH positive pay, which block or flag unexpected debits automatically rather than requiring a separate order for each one. Business accounts also have a shorter window to return unauthorized debits, so relying on stop payments after the fact is riskier.

The right to stop a payment differs by payment method. A cheque can be stopped until the bank has paid it, and a card payment cannot be stopped at the bank but may be disputed afterwards through a chargeback. ACH credits, where the payer pushes money, are controlled by the payer, who simply does not send them, so stop payments matter mainly for debits pulled by others. Card-based subscriptions are cancelled through the merchant or the card issuer instead. In Europe and the UK, the nearest equivalent is cancelling a direct debit mandate at the bank, which immediately stops future collections under that mandate and is supported by refund rights that go further than US rules.

• Timing. Orders placed too close to the debit date may not be processed before the entry posts.
• Fees. Banks commonly charge a stop payment fee, which may be higher for business accounts.
• Duration. Depending on the bank and the type of debit, an order may cover one payment or remain in place until the customer withdraws it.
• Effect on the originator. R08 returns count towards an originator's overall return rate and often lead to collection calls or cancelled services.

• Consumer Financial Protection Bureau
• Nacha