Transaction disputes

Is there a transaction on your credit or debit card statement you don’t think you made? We’re happy to help you find and dispute payments, but it may be quicker for you to help yourself.

Enhanced transaction details

Using the mobile app to check transaction details

Using the NAB app to check transaction details

  1. Login to the NAB app
  2. Click on the account you wish to view the transaction history for
  3. Scroll until you find the transaction you’re looking for
  4. Click on the arrow to reveal more information about the transaction
  5. If something’s not right, click on button and select the option that suits you.

Using NAB Internet Banking to check transaction details

  1. Login to NAB Internet Banking
  2. Click on the account you wish to view the transaction history for
  3. Scroll until you find the transaction you’re looking for
  4. Click on the arrow to reveal more information about the transaction
  5. If you think something’s not right select the option that suits you.

If you’re still having problems, you can search online to find out about the merchant’s name on your statement. That should show you any other business names that the merchant uses. Hopefully you’ll see a name you recognise.

Here is a quick guide of the payments we can help you with and the ones you can fix yourself:

Steps to find and dispute a transaction

There are a number of things you can do before disputing a transaction.

Have you reviewed the above steps?

When to just call us

Sometimes it’s quicker to just call us:

  • If you need to dispute 10 or more transactions
  • If you suspect the transaction is fraudulent
  • If you need your funds returned quickly, to discuss your options.

What happens next

Dispute other types of transactions

For disputes about:

  • NAB Traveller card payments
  • ATM deposits
  • Internet banking payments
  • ATO payments
  • Lost or stolen cards

Check the instructions below for what to do.

Call us

Individuals in Australia 13 22 65

Businesses in Australia 13 10 12

Overseas +61 3 8641 9121

Mon-Fri 8am - 7pm (AEST/AEDT)

Sat-Sun, 9am - 6pm (AEST/AEDT)

Premium Card Holders in Australia 1300 730 213

Overseas +61 3 9322 6625

24 hours a day, 7 days a week

Cancel your dispute

You can cancel a dispute after you’ve submitted our Transaction Dispute Form. If you recognise a transaction you’ve disputed, simply call our Disputes team to cancel your dispute.

Please quote your dispute reference number, if you have it.

Disputes Team +61 3 9208 2142

Mon - Fri 8.30 - 5pm

Want to know more?

You can find out more about transaction dispute timelines and your obligations as a cardholder in the terms and conditions for your card type or account:

Not happy with the dispute outcome?

If you feel the outcome of a dispute you lodged is unfair or unreasonable, there are steps you can take:

1. Contact us and let us know:

  • Call our NAB Resolve team on 1800 152 015 Mon-Fri 8am - 8pm (AEST/AEDT)
  • Send us a secure message through Internet banking
  • Email us at nabfeedback@nab.com.au
  • Write to us at: Head of NAB Resolve Reply Paid 2870 Melbourne Victoria 8060

2.If your concerns haven't been resolved to your satisfaction, you can lodge a complaint with the Australian Financial Complaints Authority (AFCA).

AFCA is an external dispute resolution (EDR) scheme to deal with complaints from consumers in the financial system. AFCA provides fair and independent financial services complaint resolution that's free to consumers.

You can contact AFCA:

Australian Financial Complaints Authority GPO Box 3, Melbourne, VIC 3001

Important Information

NAB recommends you consider the Internet Banking terms and conditions document, available here, before making any decisions regarding this product. This product is issued by National Australia Bank Limited. The NAB Mobile Banking app is compatible with AndroidTM OS 4.1 and above, and iOS 9 or later. Android is a trademark of Google LLC.

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