How to Write a Credit Card Dispute Letter: Format and Delivery

To write a credit card dispute letter, put it in writing to your issuer’s billing inquiries address within 60 days of the statement showing the charge, and include three things the law requires: enough information to identify you and your account, a clear statement that a billing error exists and the dollar amount, and your reasons for believing the charge is wrong.¹ Get those three elements right, send it to the correct address with proof of delivery, and the issuer is on a legal clock.

Confirm You’re Inside the 60-Day Window

The clock starts when your issuer transmits the first statement showing the disputed charge. If the error appeared on your March 15 statement, you have until roughly May 14 to get the letter delivered. Miss that window and the issuer no longer has to follow the billing error procedures, though most will still investigate as a courtesy.²

The deadline is measured by when your letter reaches the issuer, not when you mailed it. If you’re close, pay for faster delivery.

One boundary to keep in mind before you write: the billing error process covers wrong amounts, unauthorized charges, undelivered goods, uncredited payments, math errors, and missing statements. Quality complaints against a merchant (the item arrived defective or wasn’t as advertised) travel a different legal route with its own dollar and distance rules. You can still write to your card issuer about a quality problem, but the framing and evidence differ.³

Gather This Information Before You Start

Pulling these details before you draft prevents the follow-up calls that slow investigations down.

Your full name and account number, exactly as they appear on the statement.
The disputed charge: dollar amount, merchant name, and the transaction date shown on your statement.
The statement date, so you can count the 60 days.
The billing inquiries address. This is almost never the same as the payment address. Look on the back of your physical card, in the billing rights section of your statement, or in the PDF statement online. Sending the letter to the payment address may not trigger the issuer’s legal obligations.⁴
Copies of anything that proves your version of events: receipts, order confirmations, delivery tracking, merchant emails or chat transcripts, photos of damaged items, or a prior statement page showing a payment that was never credited.

Photocopies only. Keep the originals in a folder in case the dispute escalates.

Structure the Letter

The FTC publishes a sample dispute letter you can use as a framework.⁵ The format is a standard business letter, and the shape is short: header, one paragraph identifying the charge, one paragraph explaining why it’s wrong, one paragraph stating what you want fixed.

Header and Account Block

At the top, put the date, your name, your mailing address, and your account number. Below that, the creditor’s name and the billing inquiries address. That header alone tells the compliance department where to route the letter.

Opening Paragraph: Identify the Charge

State directly that you’re writing to dispute a billing error on your account, then identify the charge: merchant name, dollar amount, transaction date. One or two sentences. No preamble.

Middle Paragraph: Explain Why It’s Wrong

Be specific. Compare:

Weak: “There’s a charge on my account I don’t recognize.”

Strong: “I was charged $247.00 by Acme Electronics on April 3 for an order I returned on April 5, and the refund was never applied.”

If it’s a duplicate, say so. If a product never arrived, give the promised delivery date. If the amount is wrong, state both what you were charged and what you should have been charged. The investigator reading your letter needs a factual claim they can verify, not a suspicion.

Closing Paragraph: Request a Specific Correction

Ask for what you want: removal of the charge, a credit to the account, and reversal of any finance charges or fees that accrued because of it. The FTC’s sample letter includes exactly this language, requesting that the error be corrected, related finance charges be credited, and an accurate statement be provided.⁵

What to Leave Out

Don’t write the dispute on a payment stub or payment coupon. Federal rules let creditors reject notices submitted that way. Don’t send payment for the disputed amount along with the letter. And don’t send original documents; attach photocopies and keep the originals filed.

Documents to Attach

What you include often decides the outcome. An investigator should be able to see the error without a phone call.

Receipts or order confirmations showing what you actually agreed to pay.
Delivery tracking, especially anything marked “not delivered” or “returned to sender.”
Photos of damaged or wrong-item deliveries alongside the product description.
Emails or chat logs showing you tried to resolve the issue with the merchant. For quality-related disputes, the law expects a good-faith attempt with the merchant first.³
A prior statement page showing a payment that wasn’t credited, if that’s your issue.

Send It the Right Way

Mail the letter and attachments to the billing inquiries address using USPS Certified Mail with Return Receipt requested. Certified mail costs $5.30 and the physical return receipt is $4.40, for a total of roughly $9.70 on top of postage.⁶ That receipt is signed, dated, and independent of anything the issuer records. If they later claim your letter arrived late or never arrived, the receipt settles it.

Online Portals Can Count, With a Caveat

Most issuers now accept disputes through a website or app. Federal regulations require the notice to be “in writing,” but the official interpretation allows electronic notices when the creditor’s billing rights statement says it accepts them and explains how to submit.⁷ If your issuer’s disclosures do that, an online submission satisfies the writing requirement.

A mailed letter still gives you something a portal doesn’t: a postal receipt with a date stamp. The belt-and-suspenders approach is to file online for speed and follow with a certified letter for the paper trail.

What Should Happen Next

Once your letter arrives, the issuer must send a written acknowledgment within 30 days unless they’ve already resolved the problem in that time. They then have to complete the investigation and either correct the charge or explain in writing why they consider it accurate, within two billing cycles or 90 days of receiving your notice, whichever comes first.¹

While the investigation is open, you can withhold payment on the disputed amount and its related finance charges. Keep paying the rest of the bill on time. Late payment on the undisputed portion produces its own fees and credit damage that the dispute rules don’t shield you from.⁸

The issuer also cannot report the disputed amount as delinquent to a credit bureau or threaten your credit standing to pressure you into paying while the investigation is running.⁹

If the Issuer Denies Your Dispute

If the investigation ends against you, the issuer must send a written explanation of the amount owed and the reasoning. You can ask for copies of the documents they relied on.⁸

To keep fighting, write again within the payment period stated in the denial or within 10 days of receiving it, whichever is later, stating that you still dispute the charge and won’t pay it. Collection can begin at that point, but any credit bureau report the issuer makes must note that the charge remains disputed.⁸

If the issuer still won’t move, file a complaint with the Consumer Financial Protection Bureau at consumerfinance.gov. This is when your certified mail receipt, copies of every letter, and your saved originals do their real work.

1
GovInfo. U.S.C. Title 15 Chapter 41, Subchapter I, Part D – Credit Billing
2
Office of the Law Revision Counsel. 15 U.S. Code 1666 – Correction of Billing Errors
3
Office of the Law Revision Counsel. 15 U.S. Code 1666i – Assertion by Cardholder Against Card Issuer of Claims and Defenses Arising Out of Credit Card Transaction
4
eCFR. 12 CFR 1026.13 – Billing Error Resolution
5
Federal Trade Commission. Sample Letter for Disputing Credit and Debit Card Charges
6
USPS. Insurance and Extra Services
7
Consumer Financial Protection Bureau. Regulation Z – 1026.13 Billing Error Resolution
8
Federal Trade Commission. Using Credit Cards and Disputing Charges
9
Office of the Law Revision Counsel. 15 USC Chapter 41, Subchapter I, Part D – Credit Billing