Chargeback management and dispute handling for merchants

A chargeback costs you the sale, the product, the original processing fee, a chargeback fee on top, and a hit to your chargeback ratio. Cross the wrong ratio threshold and the card networks force your processor to add fees, reserves, or close your account.

Visa flags merchants in their Visa Dispute Monitoring Program once chargebacks cross 0.9% of sales. Mastercard's Excessive Chargeback Program triggers at 1.5%. Those numbers move, but the point is the same: chargebacks are scored against you in real time, and a quiet ratio problem becomes a frozen account fast.

The merchants who stay healthy are the ones who get in front of disputes before they become chargebacks.

A chargeback is when a cardholder disputes a transaction with their issuing bank and the bank reverses the charge before the merchant has a chance to respond. The funds come out of your account, the customer keeps the product, and you absorb the loss until you challenge it through representment.

Cardholders can file a chargeback for fraud (someone else used the card), an authorization or processing error, a product or service issue (not delivered, not as described, defective), or a billing dispute (duplicate charge, wrong amount, cancelled subscription still billing).

The dispute moves through the card network — Visa, Mastercard, Discover, or American Express — and each network has its own rules, timelines, and reason codes.

Visa's most common merchant losses fall into four categories:

• The merchant failed to get authorization on the transaction
• The merchant failed to capture an imprint or signature when one was required
• The merchant accepted an expired card
• The merchant failed to deliver the product or service as described, in the agreed timeframe

Return policy rules differ by transaction type

For card-present (brick and mortar) merchants, your return policy must be visible on the front of the receipt near the signature line. If it’s on the back or on a separate document, the customer must initial or sign acknowledging it.

For card-not-present merchants — including ecommerce and phone orders — your return policy must be communicated to the cardholder and you must keep proof they received it. For ecommerce specifically, the return policy has to appear on the final checkout screen and the customer must actively accept it before the order submits.

Visa publishes its own chargeback management guide with the full reason code list and evidence requirements. We can help you apply it to your specific business.

Mastercard restructured the chargeback process in 2020 into four stages:

1. First Presentment — You submit the transaction. The cardholder's bank charges their account.

2. Chargeback — The cardholder disputes the transaction. Funds are pulled from your account.

3. Second Presentment — You challenge the chargeback with evidence validating the original purchase or disproving the cardholder's claim.

4. Pre-Arbitration Case Filing and Response — The cardholder's bank reviews the new evidence. They either accept liability (case closed in your favor) or deny it and provide their own counter-evidence. If they deny, the case can move into arbitration.

The old "Second Chargeback" stage was eliminated in the 2020 rules.

Dispute windows

Most Mastercard disputes must be filed within 60 to 120 days of the transaction. Recurring billing transactions can be disputed up to 540 days after the original charge, which is why subscription and continuity merchants need to keep transaction records, terms acknowledgments, and customer communication for longer than they think.

Most chargebacks are preventable. The merchants with the lowest ratios do the same things:

Clear billing descriptors. The name on the credit card statement should match your brand name, not a parent company or DBA the customer won't recognize.

Visible return and refund policy. On the checkout page, in the order confirmation email, and on the receipt. Active acknowledgment, not buried links.

Fast customer service. A refund issued in 24 hours almost never becomes a chargeback. A refund request ignored for a week almost always does.

Subscription billing reminders. Send a reminder before each recurring charge. Make cancellation easy. Continuity merchants with no reminders run 3-5x the chargeback rate of merchants who send them.

Account Updater for stored cards. Expired and reissued cards update automatically through the networks, so subscriptions don't fail and trigger angry customer disputes.

AVS, CVV, and 3D Secure for card-not-present. Use them. They shift liability for fraud chargebacks to the issuing bank in many cases.

Document delivery. Tracking numbers, signature confirmation on high-ticket, IP logs on digital goods. If you can't prove delivery, you can't win representment.

A refund is a transaction you control. The customer asks, you decide, the money goes back. It costs you the sale and the processing fee, but it doesn't count against your chargeback ratio.

A chargeback is a transaction the bank controls. The customer goes around you and asks their bank to reverse the charge. It costs you the sale, the product, the processing fee, a chargeback fee, and a hit to your chargeback ratio whether you win the dispute or not. See gateway controls for how to set up the AVS, CVV, and 3DS rules that reduce dispute risk on card-not-present transactions.

Refund ratios get monitored too. If your refund rate is unusually high it can flag risk and trigger account review even if your chargeback ratio is fine. The healthy pattern is low refunds because customers are happy, and near-zero chargebacks because the few unhappy customers are getting refunds before they call the bank.