If money left your account without permission, contact the bank or credit union immediately using the number in its app, statement, or official website. For a failed or delayed payment, ask for a trace, return, or recall and request the explanation in writing.

The correct process depends on the payment rail and on whether you authorized the transfer. Regulation E can protect some electronic fund transfers, but it doesn't automatically cover every bank wire or guarantee a refund for an authorized scam.

This guide is for U.S. consumer accounts. UK FCA and PSR rules, EU PSD2 procedures, and the UK Financial Ombudsman Service don't govern a U.S. account by default. Business accounts can also have different protections.

Identify the type of transfer first

An accurate description matters. If a fraudster initiated the transfer using stolen credentials, say that. If you approved the payment after being deceived, explain those facts instead of describing it as unauthorized.

Bank transfer complaint checklist

1. Stop further loss

Call the sending institution's fraud department as soon as you notice the problem.

Ask it to:

• Secure online banking access and review recent activity.
• Block or replace compromised credentials, cards, or account access.
• Place a hold on a pending payment where possible.
• Send an ACH return request or wire recall.
• Contact the receiving institution if the funds may still be recoverable.
• Give you a claim or case number.

If a payment app was involved, report it to the app and to the bank linked to your account. Don't send more money to someone promising to recover the first payment, and don't share a password, one-time code, or full account credentials with an unverified caller.

2. Create an evidence file

Save the original records and make a short timeline. Include:

• The statement page showing the transaction, with unrelated account information covered.
• The date, amount, account ending in the last four digits, and transaction type.
• The bank's transaction ID, ACH trace number, wire reference, or payment-app confirmation.
• The recipient's name and account details as shown in the transaction.
• Emails, text messages, invoices, screenshots, and call details connected to the payment.
• Any error message, rejection code, pending status, or promised delivery date.
• The names of bank employees, dates of calls, and case numbers.
• A police or Internet Crime Complaint Center report number, if one was filed.

A police report can support a fraud claim, but don't wait for one before notifying the bank. If the fraud involved online correspondence, the Internet Crime Complaint Center is an additional reporting route; it doesn't replace a bank recall request.

3. Notify the bank clearly

Use both a phone call and a secure message or letter. A phone call is faster, while written notice gives you proof of what the bank received and when.

For a possible Regulation E error, include:

• Your name and the affected account's last four digits.
• The date and amount of the transfer.
• Why you believe it was an error.
• When you noticed it.
• The action you want the institution to take.

You don't need to wait for a final statement if fraud is suspected. For covered electronic fund transfers, notice generally must reach the institution no later than 60 days after the statement showing the error was sent. Report it immediately anyway, because delay can affect liability and recovery.

Ask the bank to confirm:

1. The date it received your notice.
2. Your claim number.
3. Whether it requires written confirmation after an oral report.
4. Whether provisional credit applies.
5. Whether a trace, return, or recall has been started.
6. What documents it needs and when they are due.

A bank may ask you to confirm an oral Regulation E notice in writing. Send that confirmation promptly rather than waiting for the deadline.

4. Request the remedy that matches the problem

• Unauthorized electronic transfer: Ask for a Regulation E error investigation and provisional credit if the rule applies.
• Authorized scam: Ask the bank to open its fraud or scam case, contact the receiving institution, and attempt a recall. Explain exactly how you were deceived.
• Failed or delayed ACH: Ask whether the payment was originated, rejected, returned, or still pending. Request the return reason and a trace.
• Wire sent with incorrect details: Request a recall immediately and ask the bank to contact intermediary and receiving banks. Don't resend the money until the first transfer's status is clear.
• Bank-caused delay or incorrect amount: Request correction, a written explanation, and a review of any related fees.

No request guarantees that funds will be recovered. Once a payment reaches the recipient's institution, the sending bank may have limited ability to reverse it.

5. Keep a complaint log

Record every contact in one document:

Keep copies of secure messages, letters, delivery confirmations, and uploaded files. If the bank calls you, send a short secure message afterward summarizing what was discussed.

U.S. Regulation E deadlines and provisional credit

Regulation E, including 12 CFR 1005.11, provides an error-resolution process for certain electronic fund transfers from consumer accounts. It can cover unauthorized EFTs and some transfers that were not completed correctly, but it doesn't cover every bank payment.

The main timing rules are generally:

Certain cases, including some international, point-of-sale debit, and new-account transactions, can have investigation windows of up to 90 calendar days if the institution follows the rule's requirements. The exact category matters. The Regulation E error-resolution overview from RSM provides additional background on the process.

If the bank finds an error, it generally must correct the account and related fees as required. If it finds no error, ask for a written explanation and the documents it relied on. A provisional credit can be reversed after the bank completes its investigation, so treat it as temporary until the claim is resolved.

Potential liability for unauthorized transfers

For some unauthorized EFTs involving a lost or stolen access device, reporting speed can affect the amount you may have to bear:

• Reporting within two business days after learning of the loss or theft generally limits potential liability to $50.
• Reporting later but within 60 days after the statement was sent can increase potential liability, generally up to $500.
• Waiting beyond the statement deadline can expose later unauthorized transfers to greater risk.

These rules don't decide whether a particular payment is covered or whether a scam was authorized. They are another reason to report the transaction as soon as possible.

How to dispute an ACH transfer

An ACH payment can be a direct debit, bill payment, payroll deposit, account-to-account transfer, or payment initiated through a third-party service. Start by finding out what happened in the ACH network.

Ask the originating bank:

• Was the payment submitted and accepted?
• Was it rejected or returned?
• What is the ACH trace number?
• Which institution currently holds or last processed the payment?
• Is the issue an incorrect instruction, insufficient funds, closed account, or recipient-account mismatch?

Common return codes can help explain a failed payment. For example, R02 commonly indicates a closed account, R03 indicates no account or an account that can't be located, and R09 indicates uncollected funds. A return code explains the network result; it doesn't by itself prove that the bank made an error.

For an ACH debit you didn't authorize, use the error-notice process and the 60-day statement deadline described above. For a credit that never reached the recipient, the sender and receiving institution may both need to trace the payment.

How to dispute a wire transfer

Wire complaints are usually handled through the bank's wire department and account agreement rather than a standard card chargeback.

Call the sending bank and ask it to:

1. Confirm whether the wire was submitted, funded, released, or rejected.
2. Start a trace using the wire reference or confirmation number.
3. Send a recall or cancellation request if the payment is still recoverable.
4. Contact the receiving or intermediary bank.
5. Explain whether a cutoff time, compliance review, incorrect account detail, or intermediary delay is involved.

An international transfer can pass through one or more intermediary banks. A payment entered into an online portal may also be pending approval rather than fully released. Ask for each status instead of relying on a generic “completed” label.

If you entered the wrong routing number, account number, IBAN, or SWIFT details, tell the bank immediately. Recovery may be difficult if the receiving bank credited the account based on the instructions provided. Don't make a second payment until the first one has been traced.

A traditional wire may be outside Regulation E, so don't assume the 10-day provisional-credit process applies. If the bank says the wire isn't covered, ask which agreement or procedure it is applying and request the decision in writing.

How to report a bank transfer scam

Describe the scam in plain chronological order:

1. How the person or company contacted you.
2. What they claimed.
3. What payment instructions they gave.
4. Whether you entered the payment yourself or someone else accessed your account.
5. What security steps or codes were used.
6. When you realized it was fraudulent.
7. What you did immediately afterward.

Don't exaggerate or use a legal label that doesn't fit the facts. A transfer you authorized after deception may be assessed under a different fraud or scam procedure from a transfer initiated entirely by a criminal.

Ask the bank to preserve relevant records, such as login history, device information, payment confirmations, and call recordings. The bank may not provide every internal record, but a precise request helps identify what was reviewed.

Bank transfer complaint letter template

Send the notice through the bank's secure message system or to the address specified in its error-resolution policy. Don't include your online banking password, full Social Security number, or one-time security code.

Subject: Notice of error and request for bank transfer investigation

I am reporting a transfer from my consumer account ending in [last four digits].

Date posted or sent: [date]
Amount: [$ amount]
Payment rail: [ACH, P2P, domestic wire, or international wire]
Transaction or trace reference: [number]
Date I discovered the problem: [date]

Facts:
[Describe what happened in date order.]

Choose the accurate description:
[ I did not initiate or authorize this transfer. ]
[ I authorized the payment after being deceived by [brief description]. ]
[ The payment was not completed, was duplicated, or was processed for the wrong amount. ]

Please investigate this matter under Regulation E to the extent it applies. Please provide provisional credit if required, start any available trace or recall, and confirm the steps being taken.

If you determine that no error occurred, please send the written explanation and the documents relied on in reaching that decision. Please also confirm the claim number, the date this notice was received, and any deadline for additional information.

Name:
Phone:
Secure email or mailing address:

For a general service complaint, add the date of any earlier call, the employee's response, and the resolution you want. Keep the Regulation E error notice separate from a request for better customer service; a general complaint shouldn't obscure a time-sensitive error report.

If the bank denies or ignores the claim

Start with the bank's formal complaint or executive-resolution channel, but don't delay the initial error notice while looking for the right department. Ask for a final written position that states:

• Whether the bank says the payment was authorized.
• Whether it says Regulation E applies.
• What evidence it reviewed.
• Whether provisional credit was issued or reversed.
• Which agreement, rule, or deadline it relied on.
• How to request documents or appeal the decision.

If the institution is an FDIC-supervised bank, you can use the FDIC consumer complaint process. The FDIC says its Consumer Response Unit generally responds within 14 days. Its guidance also recommends a written, chronological description with names, dates, amounts, phone numbers, and transaction details. Check whether FDIC is the correct regulator for the institution; its process can help direct complaints that fall outside its authority.

The Consumer Financial Protection Bureau may also accept complaints about many consumer bank-account and payment-company issues. A regulator complaint creates an additional record and may obtain a company response, but it doesn't guarantee reimbursement or replace a timely bank claim.

The UK Financial Ombudsman Service isn't the standard escalation route for a U.S. account. If the bank's response refers to arbitration, a state regulator, or another dispute process, review that notice and the account agreement carefully. A significant loss or a disputed coverage question may justify speaking with a qualified consumer-law professional.

Common mistakes to avoid

• Waiting 60 days because you think it is a safe reporting period.
• Calling an authorized scam “unauthorized” without explaining what actually happened.
• Treating a wire like a credit-card purchase and waiting for a chargeback.
• Sending only a phone message and keeping no written record.
• Assuming a payment marked “completed” reached the intended person.
• Resending money before the original payment is traced.
• Sending passwords, security codes, or full account details to someone who contacted you.
• Filing a regulator complaint without first preserving the bank's claim number and response.

The next step is simple: call the sending institution through an official channel, request a trace or fraud case, and send a written notice with the transaction date, amount, reference number, and accurate description of what happened. This is general consumer information, not legal advice.