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Two identical entries on a U.S. credit-card statement may be a duplicate, but a matching amount alone doesn't prove it. Check that both transactions are posted, compare them with your receipt, and rule out an authorization, tip adjustment, split shipment, subscription renewal, or delayed refund.

If one charge really is extra, ask the merchant to refund it and send the card issuer a written billing-error dispute. The federal deadline generally requires that notice to reach the issuer within 60 days after the first statement containing the error was sent. People often call the issuer's review a chargeback, but there is no guaranteed approval or refund.

Check whether the charge is actually duplicated

Look at both entries before opening a dispute:

A pending authorization can resemble a second charge while the merchant completes the payment. It may disappear or change into the final posted transaction. If both entries remain posted and correspond to one purchase, save the statement and supporting records.

This is different from an unauthorized transaction. If you don't recognize either charge, tell the issuer that the transactions may be unauthorized. Don't describe a purchase you made as fraud merely because it appears twice.

Which payment rule applies?

This process is for a U.S. credit-card billing dispute. The Fair Credit Billing Act (FCBA) covers billing errors on credit-card accounts, including a charge that appears to bill one purchase twice.

The Federal Trade Commission's guidance on disputing credit-card charges says the issuer must receive your written dispute within 60 days after the first bill containing the error was sent. The issuer generally must acknowledge the complaint in writing within 30 days, unless it has already resolved the issue, and resolve it within two billing cycles and no more than 90 days.

Those are the federal written-dispute deadlines. They aren't a promise that the issuer will agree with you. Card-network and issuer procedures can add their own requirements, so don't wait until the deadline is close.

If your billing address changed, the FTC guidance also says you must have sent the issuer the change of address in writing early enough for the issuer to have it at least 20 days before the billing period ended. Keep proof of that notice if it could affect your dispute.

The FCBA process shouldn't automatically be applied to:

Contact the bank or payment provider promptly for those payment types. Its error procedure and deadline may be different. If a digital-wallet transaction was funded by your credit card, contact both the wallet provider and the card issuer and ask how their processes interact.

How to dispute the duplicate

1. Record the two transactions

Download or print the statement page showing both charges. Note:

Redact your full card number, security code, passwords, and other information the issuer doesn't need. Keep the original files and send copies.

2. Ask the merchant to correct the extra charge

Merchant support can sometimes fix a duplicate more quickly than an issuer investigation. Use email, chat, or a support form that gives you a written record. Explain that you recognize the purchase but believe one of the two posted charges is a duplicate.

You can write:

I made one purchase on [date] for [$amount]. My statement shows two posted charges with reference numbers [ID 1] and [ID 2]. Please refund the duplicate charge and confirm the refund reference number in writing.

Ask the merchant to identify which transaction is valid and which one it will refund. Save the receipt, support ticket, response, and any promised refund date.

Don't wait indefinitely for the merchant. If the FCBA deadline is approaching, send the issuer your written notice while you continue seeking a merchant refund.

3. Alert the card issuer

Call the number on the back of the card or use the issuer's dispute function. Say that one purchase was posted twice and that you want to dispute the extra entry as a billing error.

Give the issuer details for both transactions. Be clear about which charge you believe is valid and which one is the duplicate. Ask for:

A phone call can put the issue on the issuer's radar, but a call alone isn't the FCBA written-notice process.

4. Send the written notice correctly

Use the billing-inquiries address on your statement. It may not be the same address used for card payments. If the issuer confirms that a secure online submission counts for its billing-dispute process, save the confirmation page, email, or case history.

For a mailed dispute, use a trackable delivery method and retain the delivery record. Keep a copy of the letter and every attachment.

Your notice should identify the account, statement, two charges, and the reason one appears to duplicate the other. Don't call both charges unauthorized if you made the underlying purchase.

5. Attach focused evidence

The key question is simple: why do these two posted entries represent one purchase? Useful records include:

Evidence What it helps show
Statement showing both posted charges Both amounts were billed to the account
Receipt or order confirmation There was one purchase, order, or service
Transaction or authorization details The entries match or point to the same payment
Merchant emails and support tickets You asked the merchant to correct the problem
Refund confirmation The merchant acknowledged or credited the extra charge
Order or payment-history screenshots The merchant account shows only one transaction

Highlight the relevant lines instead of sending a large, unorganized file. Include the full relevant statement page when possible so the statement date, merchant descriptor, and posting status are visible.

Written dispute template

Adapt this letter to your account and follow the issuer's billing-dispute instructions:

[Your name]
[Your address]
[Date]

[Card issuer]
[Billing-dispute address shown on your statement]

Re: Credit-card account ending in [last four digits]
Statement date: [date]

I am writing to dispute a billing error on my credit-card account. My statement shows two posted charges from [merchant] for [$amount] on [dates]. I made one purchase, and the charge with reference number [ID] appears to duplicate the valid charge with reference number [ID].

Please investigate and correct the duplicate charge. I have attached copies of the statement, purchase confirmation, and my communications with the merchant.

Please confirm that you received this dispute and send me the result of your investigation in writing.

Sincerely,

[Your name]

After you file

The issuer may ask for more information. It may also provide a temporary credit while it investigates; that credit can be reversed if the issuer concludes that both charges were valid.

Keep a short timeline containing:

Pay the part of the account that isn't disputed, and follow the issuer's instructions about the disputed amount. Filing a duplicate-charge dispute doesn't automatically suspend every payment obligation on the account.

If the merchant refunds the extra charge after you file, notify the issuer. A merchant refund and an issuer credit can otherwise result in more money being returned than the actual duplicate amount.

Who handles the dispute?

The logo on the card and the name of a payment processor don't usually change the first step. Start with the merchant and the institution that issued your card.

Network procedures affect how the issuer handles the case. They don't guarantee that a duplicate-charge claim will succeed.

Mistakes that can weaken the claim

If the issuer denies the dispute

Read the decision and identify the stated reason. The issuer may say that:

Ask the issuer for the explanation and the records it relied on. If you have new evidence, request reconsideration in writing. Keep the request focused: identify the disputed charge, explain in one paragraph why it duplicates the valid purchase, and attach the records that address the denial.

If the issuer doesn't acknowledge or resolve a timely written billing dispute, or the problem remains unresolved after you use the issuer's process, you can submit a complaint through the Consumer Financial Protection Bureau complaint system. A CFPB complaint gives the company an opportunity to respond and creates a complaint record. It isn't an automatic chargeback or a guarantee of a refund.

Frequently asked questions

Can I dispute the charge if the merchant admits the mistake?

Yes, if the extra charge remains posted. Include the merchant's written admission or refund confirmation with the dispute. If the refund is still pending, tell the issuer that rather than saying no correction was offered.

Do I have to contact the merchant first?

Contacting the merchant is often the quickest option, but don't let a delayed response push you past the issuer's deadline. You can contact both at the same time.

What if one charge is still pending?

A pending authorization may disappear without becoming a second completed payment. Let the status become clear when you can do so safely, but don't wait if doing that could cause you to miss the written-dispute deadline.

What if I used a debit card?

The FCBA process described here may not apply. Contact the bank or card provider immediately and ask for its debit-card or electronic-transfer error procedure.

Start by downloading the statement, marking which entry is posted, and matching both entries to your receipt. Then put the FCBA deadline on your calendar and send the issuer's written notice before it passes.