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.

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, call us.
  • If you suspect the transaction is fraudulent, call us.
  • If you need your funds returned quickly, call us 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 or an email to Write to us at: Head of NAB Resolve Reply Paid 2870 Melbourne Victoria 8060

2. If you’re still not happy you can raise your concern with the Financial Ombudsman Service: Call 1300 780 808 Mon-Fri 9am - 5pm (AEST/AEDT) Write to: GPO Box 3 Melbourne Victoria, 3001