Yes, you can dispute a charge, but the process and your protection depend on how you paid

You can dispute a charge on your checking account, but the rules are different depending on whether you used a debit card, a check, or an ACH transfer. If you used a debit card, you have strong legal protection under federal law—you can dispute the charge and the bank must investigate within 10 business days. If the charge came through ACH (a direct transfer from your account), you also have protection, but the timeline is longer and the process is slower. If you paid by check, your options are more limited because checks are not electronic transactions.

The key difference is this: debit card disputes are handled under Regulation E, which puts the burden on the bank to prove the charge was legitimate. ACH disputes are handled under the NACHA rules, which require you to prove the charge was unauthorized or incorrect. Knowing which type of transaction you made determines what you can do next.

Key Takeaways

  • Debit card disputes must be reported within 60 days of the charge appearing on your statement, and the bank has 10 business days to investigate.
  • ACH disputes can be filed up to 60 days after the charge posts, but the bank has up to 10 business days to acknowledge your claim and up to 45 days to investigate.
  • You must contact your bank in writing or through their online dispute tool—a phone call alone does not start an official dispute.
  • If the charge was made by someone else using your card or account number without permission, report it as unauthorized; if the charge was yours but wrong, report it as an error.
  • Your bank may reverse the charge temporarily while investigating, but you may have to pay it back if the merchant proves the charge was valid.

How to report a debit card dispute to your bank

Contact your bank as soon as you notice the charge. Call the number on the back of your debit card or log into your online banking portal and look for a "dispute" or "report a problem" option. Some banks let you start a dispute directly in the app; others require a phone call or a written letter. Ask the bank which method they prefer and whether they have a deadline for reporting—most banks accept disputes up to 60 days after the charge posts, but some allow longer.

When you report the dispute, be specific: give the date of the charge, the merchant name, the amount, and a clear explanation of why it is wrong. Say whether the charge is unauthorized (someone else made it) or an error (you made it but the amount is wrong, or you were charged twice). The bank will assign you a dispute case number—write this down and keep it. The bank must acknowledge your dispute in writing within 30 days and tell you what happens next.

Under Regulation E, the bank has 10 business days to investigate a debit card dispute. During that time, they will contact the merchant and ask for proof that the charge was legitimate. If the merchant cannot provide proof, or if the bank believes you, the bank will reverse the charge and credit your account. If the merchant provides proof and the bank sides with them, you will be charged again.

How to report an ACH or bank transfer dispute

ACH disputes work differently because the money moved through the banking system itself, not through a card network. If someone withdrew money from your account using ACH without your permission—for example, a subscription service you cancelled but kept charging, or a scammer who got your account number—you can dispute it with your bank.

Contact your bank and tell them the charge was unauthorized or that you want to revoke permission for future charges. Your bank will ask for the date, amount, and the company that initiated the transfer. The bank has 10 business days to acknowledge your dispute and tell you whether they will investigate. They then have up to 45 days to complete the investigation, which is longer than a debit card dispute.

If your bank finds in your favor, they will reverse the charge. If the merchant disputes the reversal, the case may go back and forth between the banks for several weeks. During this time, the money may move in and out of your account more than once. Keep records of every communication with your bank and the merchant.

What happens if you dispute a check

Disputes over checks are handled differently because checks are not electronic transactions. If you wrote a check and want to stop payment, you can ask your bank to issue a stop payment order, but this costs money (usually $25 to $35 per check) and only works if the check has not been cashed yet. Once the check clears, the money is gone and you cannot dispute it through the bank.

If someone forged your signature on a check or stole a blank check from you, report it to your bank immediately. The bank may reverse the charge if they can prove the check was not authorized, but this is not may provide. Your bank may investigate, but they are not required to reverse the charge the way they are with debit card disputes. Document everything: the check number, the date, the amount, and the name of the person or company that cashed it.

What to do while the dispute is being investigated

Your bank may credit your account temporarily while they investigate, but this is not automatic. Ask the bank whether they will issue a provisional credit—this means the money goes back into your account while they look into it, but you may have to return it if the merchant wins the dispute. Some banks do this within 5 to 10 days; others wait until the investigation is complete.

Do not spend money you are not sure you will keep. If the bank credits you temporarily and then reverses the credit later, your account could go negative and you could face overdraft fees. Keep a record of the provisional credit and the final outcome so you know what your actual balance is.

If the merchant contacts you during the investigation, do not ignore them. Some merchants will work with you to resolve the dispute without going through the bank—for example, they might refund you directly if you agree to drop the dispute. This can be faster than waiting for the bank to investigate.

What happens if the bank sides against you

If the merchant provides proof that the charge was legitimate, the bank will tell you the dispute is closed and the charge stands. You will be responsible for paying it. At this point, your options are limited: you can ask the merchant for a refund directly, or you can file a complaint with the Consumer Financial Protection Bureau (CFPB) if you believe the bank did not investigate fairly.

If the charge was made by a scammer who got your account information, and the bank refuses to reverse it, ask the bank to explain their decision in writing. Request the evidence the merchant provided. If the evidence does not make sense or if you believe the bank made an error, you can escalate the complaint within the bank or file a complaint with your state's banking regulator or the CFPB.

How to prevent unauthorized charges in the future

Monitor your checking account regularly—at least once a week. Set up account alerts so your bank texts or emails you when a charge over a certain amount posts. If you see a charge you do not recognize, report it immediately; the sooner you report it, the stronger your case.

For subscriptions and recurring charges, keep a list of what you have authorized and check it monthly. Cancel subscriptions you no longer use. If a company keeps charging you after you cancel, that is an unauthorized charge and you can dispute it.

For ACH transfers, limit who has access to your account number and routing number. Do not give this information to companies unless you trust them. If a company asks for it, ask whether they accept credit card or debit card payment instead—those have stronger fraud protection.

Frequently Asked Questions

How long do I have to report a charge before I lose the right to dispute it?

You have 60 days from the date the charge appears on your statement. After 60 days, most banks will not investigate. Mark your calendar when you receive your statement and report any suspicious charges within that window. Some banks may accept disputes after 60 days if you have a good reason for the delay, so call and ask.

Will disputing a charge hurt my credit score?

No. Disputing a charge with your bank does not affect your credit score. A dispute is between you and your bank, not a credit reporting agency. However, if the merchant reports the unpaid charge to a collection agency, that could hurt your credit—so resolve disputes quickly.

Can I dispute a charge if I authorized it but changed my mind?

It depends. If you authorized a one-time charge and changed your mind, the bank will likely side with the merchant because you gave permission. If you authorized a recurring charge (like a subscription) and the merchant kept charging after you cancelled, you can dispute it as unauthorized. Keep proof that you cancelled—an email confirmation, a screenshot, or a record of the date you called.

What if my bank says the dispute is closed but I still disagree?

Ask the bank for a written explanation of their decision and the evidence they reviewed. If you believe they made an error, file a complaint with the Consumer Financial Protection Bureau (CFPB) at consumerfinance.gov. You can also contact your state's banking regulator or the Office of the Comptroller of the Currency (OCC) if your bank is national.

Do I have to pay the disputed charge while the investigation is happening?

No. If the bank issues a provisional credit, the charge is reversed temporarily and you do not owe it while they investigate. If the bank does not issue a provisional credit, you are not required to pay it, but the charge will remain on your account. Ask your bank whether they will issue a provisional credit when you file the dispute.