Payment Dispute

A payment dispute is a formal challenge by a payer to a payment that has already been made, raised with the payer's bank, card issuer or payment provider rather than only with the merchant. The payer claims that the payment was unauthorized, wrong in amount, duplicated, or not matched by the goods or services promised, and asks for the money back through the provider's error-resolution or dispute process.

For card payments, a successful dispute usually ends in a chargeback, in which the issuer reclaims the amount from the merchant's acquirer. Other rails have their own mechanisms, such as ACH returns, direct debit refund rights and, in the UK, reimbursement for authorised push payment scams. Disputes are governed by a mix of consumer law and private network rules, and they differ from dispute resolution in the wider legal sense, which covers any contractual disagreement.

Suppose you buy a jacket online, it never arrives, and the shop stops answering emails. Instead of arguing with the shop forever, you can ask your bank to step in. Your bank looks at your complaint, and if it agrees there is a problem, it takes the money back from the shop's bank and returns it to you while the two sides sort out who is right.

That is a payment dispute. It works a bit like a referee in a game: the payer and the shop both present their side, the banks apply a rulebook, and there is a final decision. Because the referee can reverse a payment, shops take disputes seriously, and because the process costs everyone time and fees, cardholders are expected to try the shop first where the problem is a simple service complaint.

• Unauthorized or fraudulent payment. The payer did not make or permit the transaction, for example after card details were stolen in a data breach.
• Processing errors. Duplicate charges, the wrong amount, a charge in the wrong currency, or a refund promised but never processed.
• Goods or services not received. The merchant took payment but did not deliver.
• Not as described or defective. The item differs materially from what was sold.
• Cancelled recurring charge. The payer cancelled a subscription but was charged again.

Visa's dispute framework, Visa Claims Resolution, introduced in 2018, groups disputes into four categories: fraud, authorization, processing errors and consumer disputes. Mastercard's rules use similar groupings. The category determines which evidence a merchant can use in response.

1. The cardholder raises the dispute with the card issuer, by app, phone or letter.
2. The issuer reviews it and, if it fits a network reason code, files a chargeback through the card network. The issuer often gives the cardholder a provisional credit.
3. The acquirer passes it to the merchant, debiting the amount and usually a chargeback fee.
4. The merchant accepts or responds. A merchant that believes the charge was valid submits evidence in chargeback representment.
5. Pre-arbitration and arbitration. If the issuer rejects the evidence, the case can escalate, and in the last resort the network rules on it, with fees charged to the losing side.

Before a formal chargeback, many disputes are settled earlier through pre-dispute alerts or data-sharing services that let a merchant refund or provide order details before the case escalates.

United States. For credit cards, the Fair Credit Billing Act and Regulation Z require a cardholder to send a billing-error notice within 60 days of the statement that first showed the error; the creditor must acknowledge it within 30 days and resolve it within two billing cycles, and no more than 90 days. For debit cards and other electronic transfers, Regulation E sets error-resolution duties: a bank generally investigates within 10 business days, or may take up to 45 days if it provisionally credits the account. ACH payments can be returned as unauthorized under Nacha rules.

United Kingdom. Section 75 of the Consumer Credit Act 1974 makes a credit card issuer jointly liable with the merchant for breach of contract or misrepresentation on purchases of more than £100 and up to £30,000. Since 7 October 2024, the Payment Systems Regulator's rules have required payment firms to reimburse victims of authorised push payment fraud over Faster Payments up to £85,000, with an optional excess of up to £100. Direct debits are covered by the Direct Debit Guarantee.

European Union. Under PSD2, a payer must report an unauthorized transaction without undue delay and no later than 13 months after the debit date, and SEPA Core direct debits carry a no-questions refund right for eight weeks.

Disputes are one of the main costs of accepting payments. Besides the lost sale, merchants pay fees and can be placed in network monitoring programmes if their dispute ratio is too high, which raises their chargeback risk profile and can lead acquirers to classify them as a high-risk merchant. A share of disputes is "first-party" or "friendly" fraud, where a genuine cardholder disputes a purchase they made or forgot; unclear billing descriptors are a known cause. Merchants reduce disputes with clear descriptors, easy refund processing, strong authentication such as 3-D Secure, which can shift fraud liability to the issuer, and good records of payment fraud signals.

• 12 CFR 1026.13 Billing error resolution (Regulation Z)
• 12 CFR 1005.11 Procedures for resolving errors (Regulation E)
• Consumer Credit Act 1974, section 75