CommBank support / Disputing a transaction
Is there a transaction on your debit card, credit card or Travel Money Card that you don’t recognise? Unauthorised digital fraud or scam transaction?Or an issue with something you’ve purchased? Here's what to do.
The process at a glance
- Check that the transaction can be disputed
- Prepare supporting documents
- Raise a dispute to investigate the charge
- Get a resolution and your account credited if your dispute is successful
You’ll need to contact us as soon as you decide to raise a dispute.If you take too long to raise a dispute from the date the transaction occurred, we may loseanychargeback rightswe have under Mastercard, VISA and eftpos scheme rules.1
If the transaction appears as pending on your account, we’ll investigate your dispute when the transaction has fully processed.
Learn more about disputing a pending transaction
The process at a glance
- Check that the transaction can be disputed
- Prepare supporting documents
- Raise a dispute to investigate the charge
- Get a resolution and your account credited if your dispute is successful
You’ll need to contact us as soon as you decide to raise a dispute.If you take too long to raise a dispute from the date the transaction occurred, we may loseanychargeback rightswe have under Mastercard, VISA and eftpos scheme rules.1
If the transaction appears as pending on your account, we’ll investigate your dispute when the transaction has fully processed.
Learn more about disputing a pending transaction
Dispute checklist
To determine if there’s an unauthorised or fraudulent transaction on your account, first check:
- Was the purchase made by a family member or any other cardholder authorised to use the account?
- Could the merchant be trading under adifferent name?
- Was the transaction made in a foreign currency and converted into Australian dollars?
- Is the transaction a regular membership, subscription fee or app download?
To review in more detail, click on the transaction intheCommBank apporNetBank, as it may be under a different date/time or business name. You can also ‘ask about this transaction’ usingCebawho can see if similar transactions have been made on your account and guide you.
You may be able to raise a dispute with us if;
- You’ve been charged multiple times for the same purchase
- You were charged the wrong amount for your purchase
- You didn’t receive the goods and/or services you paid for
- The goods and/or services you paid for weren’t as described, or defective
However, a dispute cannot be raised for the following issues, and only the business can resolve:
- Refunds or exchanges if you change your mind
- Membership or monthly subscription enquiries
- Issues with software you've downloaded
For any of the above issues, it’s useful to get in contact with the merchant you purchased from and document the discussion, as this can help us address your dispute faster.
You should also gather receipts, photographs of the item if it’s not as described, and the business’ contact details, as we may ask you for supporting documentation.
For extra control and security, put a temporary lock on yourdebit cardorcreditcard. For Corporate Cards, you can contact13 1576to temporarily block or permanently stop your card account.
To continue making payments, if you have an Everyday Account, you can useCardless Cashin the CommBank app to make ATM cash withdrawals. And if you’re already set up with a digital wallet, you can still use your phone to make payments more securely.2
How to raise a dispute
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If you still don’t recognise the transaction and want to raise a dispute, here's how to contact us:
- For debit cards, credit cards and unauthorised transactions – Message usin the CommBank app to quickly get connected to the right help. Don’t have the app3? Download it now or contact usto raise a dispute
- For Travel money cards – Complete and send us a dispute form
- For debit cards, credit cards and unauthorised transactions – Message usin the CommBank app to quickly get connected to the right help. Don’t have the app3? Download it now or contact usto raise a dispute
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What happens when you contact us
- If any disputed transactions are still pending,we’ll wait for these to be fully processed before we can start investigating your dispute.It generally takes 3 to 5 business days to process a transaction, although it can take up to 10 business days.4
- For unauthorised transactions, we'll have to cancel your card to protect your account from further fraudulent activity and send you a new one. Since we’re cancelling your card, you may need to review any scheduled payments and organise to have them paid from a different account
- For unauthorised transactions relating to digital fraud and scams, we’ll have to lock your NetBank to protect your account from further fraudulent activity. Please visit our digital fraud and scam pages for more information.
Message us 24/7
Get instant help from Ceba in the CommBank app or connect with a specialist who can message you back. You’ll needCommBank appnotifications turned on so you know when you’ve received a reply.
Message us
Getting a resolution
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We’ll keep you updated
Once you’ve contacted us to raise a dispute, you can expect the following from us:
- We’ll work hard to resolve your issue as quickly as possible
- We'll either send you a letter or email confirming the outcome of our investigation
- If you have the CommBank app, you’ll receive notifications about your dispute
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How long will it take?
In addition to the time taken for any pending transactions to be processed so we can initiate a dispute:
- Quick decision (3 business days) –We endeavour to resolve most disputeswithin3 business days, which is when you should see the money back in your account if your dispute is successful
- Further investigation (21 calendar days)– How long it takes to resolve a dispute depends on the complexity of the dispute and whether a merchant decides tochallenge your claim.Some dispute investigations can take 21 calendar days, and we’ll contact you if it is any longer5
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Resolution of your dispute
- If successful, we'll credit the account your dispute was raised from. If that’s closed, we’ll ask you for the details of an alternative account.
- The credit will appear as at the date the disputed transaction was processed. For example, if it was in pending and then processed on 5 February, your credit will appear as at 5 February, not the date you raised the dispute with us or the date your dispute was resolved.
- We reserve the right to reverse a refund on reasonable grounds; for example, if the merchant provides sufficient evidence that you should be liable for the transaction, or if we identify you’ve received a duplicate refund. We’ll notify you in writing after we have reverse the funds, which can happen up to 45 calendar days after you receive your refund. If reversing these funds causes you hardship, please contact us.
Protection for unauthorised transactions
We’ll protect you from losses due to unauthorised transactions on personal and business accounts when you take the necessary steps to stay safe online.
We're here to help
- Contact us Message us in the CommBank app or call to connect to the right help.
- Message us Get instant help from our virtual assistant or connect to a specialist.
- FAQs Search support and our most frequently asked questions.
- Find a branch Find a branch, ATM or specialist near you.
Things you should know
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1 This doesn’t apply to an unauthorised transaction that’s regulated by theePayments Code.
2Digital and mobile wallets (e.g. CBA Tap & Pay, Apple Pay) allow you to make payments with your digital device while hiding your card info from stores and merchants. Adding your card to a digital wallet encrypts the card number replacing it with a token number instead. This means your card isn’t stored on the device or ever shared with you when you process your payment.
3The CommBank app is free to download however your mobile network provider charges you for accessing data on your phone. You should refer to your mobile phone plan or contact your provider to find out more. Terms and conditions are available on the CommBank app. NetBank access with NetCode SMS required. Find out about the minimum operating requirements on the CommBank app page.
4Some transactions may take longer than 10 business days to process, but this is rare.
5In exceptional circ*mstances disputes can take up to 45 calendar days to resolve.
