To dispute a charge with Navy Federal Credit Union, you’ll complete a Navy Federal dispute form that matches your account type: the Debit Card Statement of Dispute (NFCU 628A) for debit card problems, the Written Statement of Forgery (NFCU 562) for credit card fraud, or an online submission through the Dispute Center for credit card billing errors. Each one goes to a different address and carries different deadlines, so the first step is matching your situation to the right form before you start filling anything in.
Which Form Matches Your Situation
Navy Federal routes disputes by account type, and picking the wrong form sends your paperwork to the wrong queue.
- Debit card, non-fraud problems (duplicate charges, merchandise not received, incorrect amounts, returns that never refunded, quality complaints): the Debit Card/Business Debit Card Statement of Dispute, form NFCU 628A. Download it from navyfederal.org or request it through online banking.
- Credit card fraud (charges you did not authorize and did not benefit from, including lost cards, stolen numbers, or someone using your account without permission): the Written Statement of Forgery for Credit Card, form NFCU 562.
- Credit card billing disputes (non-fraud errors on a credit card): Navy Federal’s online Dispute Center, reached through the mobile app or online banking. Phone, branch, and mail are also available.
- Checking or savings account fraud: Navy Federal’s online fraud reporting tool, which may require a Declaration of Forgery/Fraud form submitted to securityappeals@navyfederal.org.
If you’re not sure which category fits, call 1-888-842-6328 and the fraud and security line can point you to the right one.
Filling Out the Debit Card Statement of Dispute (NFCU 628A)
The 628A is a single page with three sections plus cardholder information at the bottom. Keep your most recent statement open while you work, because the form needs exact posting dates and dollar amounts.
Section A: Transaction Details
Section A asks for the merchant name as it appears on your statement, the posting date, the dollar amount, and the date you contacted the merchant if you did. Copy the merchant name exactly, abbreviations and all, because investigators match it against their records. Use the posting date rather than the purchase date, since that’s how the charge sits in Navy Federal’s system.
Section B: Dispute Category
Section B is where the real work happens. You check one category and answer its follow-up questions:
- Duplicate charge: dates of both the original and the duplicate.
- Cancellation: cancellation date, cancellation number, method used to cancel, whether the merchant disclosed its cancellation policy, and your attempts to resolve the issue directly.
- Returned merchandise: return date, shipping company and tracking number if mailed, the date the merchant received it, the merchant’s response, and the credit slip date if one was issued.
- Paid by another method: whether you paid by cash, check, or a different card.
- Non-receipt of goods or services: what you ordered, the expected delivery date, and your resolution attempts with the merchant. This category does not apply to ATM disputes.
- Incorrect transaction amount: what the charge posted for and what it should have been.
- Quality of goods or services: the difference between what you ordered and what arrived, plus return details with tracking and the merchant’s response. Every field in this category is required.
- Credit posted as a debit: the amount that should have been a credit.
Quality and non-receipt disputes both require you to describe your attempts to resolve the problem with the merchant first. Fill those fields in. Disputes that show you tried to work things out before involving the credit union carry more weight with investigators.
Section C and Cardholder Information
Section C is a free-text field for anything that doesn’t fit the standard categories. Keep it factual: dates, amounts, what happened. At the bottom, fill in your name, debit card number, checking account number, access number, phone number, and signature. An unsigned form gets sent back.
Filling Out the Credit Card Fraud Affidavit (NFCU 562)
Form 562 is structured for unauthorized use rather than merchant problems. You’ll enter your access number, credit card number, phone number, and Social Security number, then select the type of incident: lost card, stolen card, card never received in the mail, card used without authorization, or card never requested.
The center of the form is a table where you list every fraudulent charge with the transaction date, merchant name, and dollar amount. Go through your statements carefully. Any unauthorized charge you leave off won’t be investigated. By signing, you declare under penalty that you didn’t authorize any listed transaction and that neither you nor anyone you’ve permitted to use the card benefited from them. Accuracy matters more here than anywhere else on the form.
Documents to Attach
Navy Federal doesn’t always require documentation at submission, but cases move faster when you include proof up front. What to attach depends on the category:
- Cancellation disputes: confirmation emails, screenshots of the online cancellation, or a cancellation number.
- Returned merchandise: shipping receipts with tracking, delivery confirmation, and merchant correspondence.
- Non-receipt: order confirmation showing the expected delivery date and any merchant acknowledgment.
- Incorrect amounts: the original receipt or price quote.
- Merchant contact attempts: phone records, email threads, or chat transcripts. Navy Federal specifically notes that phone records can serve as evidence of your attempts to reach the merchant.
Keep copies of everything you send. If the investigation stretches out or you need to appeal, your own file saves you from reconstructing evidence weeks later.
Where to Send Each Form
Submission channels differ by form. Sending a 628A to the credit card fraud address, or vice versa, delays the dispute.
Debit Card Disputes (NFCU 628A)
- Online: log into online banking, open the secure eMessage center, select the checking account tied to your debit card, choose “Dispute a Recognized Card Charge” as the reason, and attach the completed PDF with supporting documents.
- Mail: Navy Federal Credit Union, Debit Card Services, PO Box 23603, Merrifield, VA 22119-3603.
- Fax: 703-206-4507.
Credit Card Fraud (NFCU 562)
- Fax: 703-206-2055.
- Mail: Navy Federal Credit Union, Attn: Card Fraud Prevention Recovery, PO Box 3503, Merrifield, VA 22119-3503.
Credit Card Billing Disputes (Non-Fraud)
- Online: the Dispute Center in the mobile app or online banking.
- Mail: Navy Federal Credit Union, Attn: Credit Card Disputes, PO Box 3503, Merrifield, VA 22119-3503.
- Phone: 1-888-842-6328.
- In person: any Navy Federal branch.
Whichever route you use, save proof of submission: the eMessage timestamp, the fax confirmation page, or a certified mail receipt. If timing is ever questioned, that’s your record.
Deadlines That Affect What You’ll Pay
Federal law sets hard reporting windows, and the clock behaves differently for debit and credit.
Debit Card Liability
Under Regulation E, your liability for unauthorized debit transactions scales with how quickly you report:
- Within 2 business days of learning the card was lost or stolen: liability caps at $50 or the unauthorized amount posted before you notified Navy Federal, whichever is less.
- After 2 business days but within 60 days of the statement being sent: liability can reach $500.
- After 60 days from the statement date: unlimited liability for unauthorized transfers that occur after that window closes, if the institution can show it could have prevented the loss had you reported sooner.
The 60-day clock starts when Navy Federal sends the statement showing the first unauthorized transaction, not when you notice it. If you missed a deadline because of hospitalization, extended travel, or similar circumstances, the institution must extend the reporting period.
Credit Card Liability
Credit cards carry stronger protections. Federal law caps your liability for unauthorized credit card charges at $50 regardless of timing, and Navy Federal’s Zero Liability policy may remove even that $50 for unauthorized transactions confirmed by the credit union and reported in a timely manner.
For a credit card billing error (incorrect amount, charge for undelivered goods, duplicate charge), you must send written notice within 60 days of the date Navy Federal transmitted the statement. The notice has to identify you and your account, state the disputed amount, and explain why you believe it’s wrong. During the investigation you don’t have to pay the disputed amount or related interest, though your available credit may be reduced by that amount until a temporary or permanent credit is applied.
One boundary worth knowing: if you’re disputing the quality of goods or services on a credit card rather than a billing error, federal law requires the purchase to have exceeded $50 and occurred in your home state or within 100 miles of your billing address. This geographic rule doesn’t apply to billing errors or unauthorized charges.
What Happens After You Submit
Once Navy Federal receives your dispute, federal law dictates the pace.
Debit Card and Checking Account Disputes
Under the Electronic Fund Transfer Act, Navy Federal has 10 business days from receiving your notice to investigate and decide whether an error occurred. A confirmed error must be corrected within one business day. If more time is needed, the investigation can extend to 45 days, but only if the credit union provisionally credits your account within the first 10 business days for the disputed amount (minus up to $50 if fraud is suspected). You have full use of those provisional funds during the investigation.
Three categories stretch the deadline from 45 to 90 days: transactions originating outside the United States, point-of-sale debit card purchases, and charges posted within 30 days of opening the account. That last category also extends the initial investigation from 10 to 20 business days.
Navy Federal must notify you of the outcome within three business days of finishing the investigation. If the dispute goes your way, any provisional credit becomes permanent. If not, you’ll get a written explanation, and if provisional credit was reversed, the credit union must honor checks and preauthorized payments for five business days afterward without overdraft fees.
Credit Card Disputes
Under the Fair Credit Billing Act, the issuer has 30 days to acknowledge your written dispute and then up to two full billing cycles (not more than 90 days) to investigate and resolve it. During that window, Navy Federal cannot report the disputed amount as delinquent or take collection action. If the investigation finds an error, the credit union corrects the charge and any related finance charges. If it finds the bill correct, you get a written explanation and, on request, copies of the supporting evidence.
If Your Dispute Is Denied
A denial isn’t the final word. Read the letter closely first. Navy Federal has to explain why it concluded no error occurred, and that explanation tells you what evidence was missing. If you have something new that wasn’t part of the first investigation, such as a tracking number or an email from the merchant agreeing to refund, you may be able to resubmit. For checking and savings disputes, appeal documentation goes to securityappeals@navyfederal.org.
For credit card disputes decided under the Fair Credit Billing Act, you have 10 days after receiving the creditor’s explanation to respond in writing if you still disagree. Even if the credit union holds its position, it must note your continuing dispute and cannot report the amount as delinquent without also reporting that it’s disputed.
If internal appeals don’t resolve the problem, the Consumer Financial Protection Bureau takes complaints about financial institutions. File online at consumerfinance.gov/complaint or call (855) 411-2372 (Monday through Friday, 9 a.m. to 6 p.m. ET). The CFPB forwards the complaint to Navy Federal and generally receives a response within 15 days. A CFPB complaint doesn’t guarantee reversal, but it does put regulatory pressure on the institution to look again.