How can I avoid unarranged overdraft interest?
Last Updated: 14 Sep 2026
If your account goes into an unarranged overdraft, you can avoid the unarranged overdraft interest charges by transferring money to return the account to credit by 11:30pm the same day.
Tips to help you stay on top of your balance
Use FastNet Classic internet banking or the ASB Mobile Banking app to check your balance and make transfers to cover any shortfalls at any time.
Set up alerts
You can sign up for email or app alerts if your account goes overdrawn.
If you act on the alert the same day, you’ll usually have time to fix it and avoid charges.
You can also set an alert for when your balance drops to a level you choose.
Keep an eye on your spending
Spend Tracker in the ASB Mobile app shows where your money goes each month.
It groups your spending automatically, making it easier to spot patterns and stay in control.
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