What Is a Bank Chargeback: Deadlines, Evidence, and How to File

A bank chargeback is a forced reversal of a card transaction: your bank pulls the money back from the merchant’s account and returns it to yours while it investigates your dispute. You can request one when a charge is unauthorized, when the amount or billing is wrong, or when you paid for something you never received or that arrived nothing like what was described. Federal law protects the process, but the filing windows are strict, and the rules depend on whether you paid with a credit card or a debit card.

How a Chargeback Differs From a Refund

A refund is voluntary. The merchant agrees to return your money, and the funds move from the merchant to you. A chargeback is involuntary for the merchant. Your bank acts as an intermediary with enforcement power, and the merchant has to respond to the bank’s inquiry or lose by default. That structural difference is why chargebacks exist as a consumer protection: they give you leverage when a merchant refuses to cooperate.

When You Can File a Chargeback

Not every bad shopping experience qualifies. Federal law and card network rules recognize specific categories, and your case will be evaluated against them.

Unauthorized charges cover any transaction you didn’t make or approve — a stolen card number, a compromised account, or a charge placed by someone who accessed your card without permission. The question is simple: did you authorize it or not?1Federal Trade Commission. Using Credit Cards and Disputing Charges

Billing errors include being charged the wrong amount, being billed twice for the same purchase, and not being credited for a return the merchant already accepted. The Fair Credit Billing Act names these as qualifying errors.2Office of the Law Revision Counsel. 15 USC 1666 – Correction of Billing Errors

Non-delivery or significant differences apply when a package never arrives, a service is never performed, or the item looks nothing like what was described when you paid. If you ordered a leather jacket and received a vinyl one, that counts. So does a contractor taking payment and never showing up.1Federal Trade Commission. Using Credit Cards and Disputing Charges

Recurring charges after cancellation are increasingly common. If you canceled a subscription and continue getting billed, you have grounds for a dispute. Card networks expect the merchant to prove the subscription was still active through usage logs or evidence that your cancellation came after the billing cycle.

Deadlines and Liability Depend on Your Card Type

Two separate federal frameworks control chargebacks, and which one applies depends on how you paid. Credit card disputes fall under the Fair Credit Billing Act. Debit card and electronic transfer disputes fall under Regulation E. The liability rules and filing requirements differ in ways that matter.

Credit Cards: The Fair Credit Billing Act

You have 60 days from the date your statement is sent to submit a written dispute to your card issuer. The notice must go to the address the issuer designates for billing inquiries, which is not always the same address where you send payments. Your issuer must acknowledge the dispute within 30 days and resolve the investigation within two complete billing cycles, and no more than 90 days.2Office of the Law Revision Counsel. 15 USC 1666 – Correction of Billing Errors

While the investigation is open, your issuer cannot try to collect the disputed amount or report it as delinquent. That protection ends once the investigation closes, so the 60-day filing window is the deadline that matters most.

For unauthorized charges on a credit card, your maximum liability is $50, and once you report the card as lost or stolen, you owe nothing for charges made after that point.3Office of the Law Revision Counsel. 15 USC 1643 – Liability of Holder of Credit Card Most major issuers waive even the $50, but the law guarantees it as a ceiling.

Debit Cards: Regulation E

Debit card disputes operate under tighter rules with higher stakes. Your liability for unauthorized charges depends on how fast you report:

  • Report within 2 business days of learning your card was lost or stolen, and your liability caps at $50 or the amount of unauthorized charges, whichever is less.
  • Report after 2 business days but within 60 days of your statement, and your liability can climb to $500.
  • Report after 60 days, and you can be liable for the full amount of any unauthorized transfers that occur after the 60-day window closes.

That last tier is the one people don’t see coming. With a credit card, your exposure is always capped at $50. With a debit card, waiting too long can leave you responsible for every dollar drained from your account.4eCFR. 12 CFR 1005.6 – Liability of Consumer for Unauthorized Transfers

When you report a debit card error, the bank has 10 business days to investigate. If it needs longer, it must provisionally credit your account within those 10 days so you aren’t left without your money, and it then has up to 45 days total to finish the review.5eCFR. 12 CFR 1005.11 – Procedures for Resolving Errors

Try the Merchant First

For disputes about the quality of goods or services (as opposed to unauthorized charges or billing errors), federal law adds a step for credit card users. You must make a good-faith attempt to resolve the problem directly with the merchant before your card issuer will step in. The original purchase must also have exceeded $50, and the transaction must have taken place in your home state or within 100 miles of your mailing address.6Office of the Law Revision Counsel. 15 USC 1666i – Assertion by Cardholder Against Card Issuer of Claims and Defenses

The geographic restriction surprises most people. It does not apply when the merchant is affiliated with the card issuer, or when the order came from a mail or internet solicitation the issuer participated in. For unauthorized charges and billing errors, none of these extra requirements apply. You go straight to the bank.

Even where it isn’t legally required, contacting the merchant first is practical. A quick refund is faster and less adversarial than a chargeback, and it avoids the documentation burden. Save your emails and take notes about phone calls. If the merchant won’t cooperate, that failed attempt becomes evidence supporting your claim.

How to File

Call your bank as soon as you spot the problem. For debit cards under Regulation E, an oral report starts the clock and preserves your rights. For credit cards, the phone call is a good first step, but you also need to follow up in writing within 60 days of when your statement was sent.7Consumer Financial Protection Bureau. How Do I Dispute a Charge on My Credit Card Bill?

Your written notice should include your name and account number, the date and amount of the charge you’re disputing, and your reason for believing it’s an error. Send it to the billing inquiry address on your statement, not the payment address. Most issuers also accept disputes through their online portals or mobile apps, but a letter sent by certified mail gives you proof of delivery if the timeline is ever questioned.2Office of the Law Revision Counsel. 15 USC 1666 – Correction of Billing Errors

Evidence That Strengthens Your Case

The bare minimum is identifying the charge. A strong case goes further. Gather receipts, order confirmations, and any correspondence with the merchant. If a package was supposed to arrive and didn’t, the tracking number (or absence of one) helps. If the item arrived damaged or wrong, photographs taken at the time of delivery carry real weight. Screenshots of the product listing alongside photos of what you actually received make the discrepancy hard to deny.

For digital purchases like software, streaming subscriptions, or online services, physical delivery evidence doesn’t exist. Your case will likely hinge on records showing whether you accessed or used the product. Login history, download logs, and IP address records all come into play. Note the dates and times you attempted (or didn’t attempt) to use the product, and save any error messages or account lockout screens.

For quality-of-service disputes, the evidence bar is higher because you’re not claiming the item never arrived. You’re claiming it wasn’t what you paid for. Document the original listing or contract, the communication trail with the merchant, the merchant’s return policy, and any steps you took before filing. The investigator needs to see a clear gap between what was promised and what was delivered.

What Happens After You File

The bank reviews your documentation and contacts the merchant’s bank to get the merchant’s side. Merchants have a window, typically 20 to 45 days depending on the card network, to respond with evidence that the charge was legitimate.8Mastercard. How Can Merchants Dispute Credit Card Chargebacks? If the merchant misses that window, the bank typically rules in your favor by default.

For debit card disputes, the bank must provisionally credit your account within 10 business days if it needs additional time. The bank can withhold up to $50 from the provisional credit if it has reason to believe an unauthorized transfer occurred and you bear some liability under the reporting rules.5eCFR. 12 CFR 1005.11 – Procedures for Resolving Errors

For credit card disputes, the mechanism is different. Your issuer simply cannot attempt to collect the disputed amount or charge interest on it while the investigation runs. The practical result is similar, but the legal structure comes from the Fair Credit Billing Act’s prohibition on collection during a dispute rather than an affirmative credit to your account.2Office of the Law Revision Counsel. 15 USC 1666 – Correction of Billing Errors

Once the investigation closes, the bank sends you a written explanation. If it rules in your favor, the credit becomes permanent (for debit cards) or the charge is removed (for credit cards). If it finds the charge valid, any provisional credit is reversed and you owe the original amount.

If the Bank Sides With the Merchant

A ruling against you isn’t necessarily the end. For debit card disputes, the bank must provide a written explanation of why it found no error and give you copies of the documents it relied on if you request them.5eCFR. 12 CFR 1005.11 – Procedures for Resolving Errors Review those documents. If the merchant’s rebuttal is weak or based on inaccurate records, you have something to escalate on.

You can also file a complaint with the Consumer Financial Protection Bureau if you believe your bank mishandled the investigation or skipped required procedures. A CFPB complaint won’t reverse the charge directly, but it creates regulatory pressure on the bank to review its decision.

Risks of Filing Chargebacks You Shouldn’t

The system works because banks treat consumer reports seriously. Abusing it, sometimes called “friendly fraud,” erodes that trust. Merchants maintain internal blacklists of customers who file chargebacks, using identifiers like email addresses, device fingerprints, and shipping addresses. Getting blacklisted means future orders are automatically rejected, sometimes across multiple merchants sharing fraud data.

Your bank can act too. Repeated chargebacks, especially ones the bank rules against you, can lead to account reviews, restrictions on filing further disputes, or account closure. A customer who files frequent disputes can look indistinguishable from someone committing fraud from the bank’s perspective.

There’s a quieter risk as well. When a merchant loses a chargeback, nothing prevents that merchant from turning the debt over to a collection agency. An unexpected collection account tied to a reversed charge is rare, but it happens, and it can affect your credit report if you ignore it.