More than 500,000 Australians have just days left to lodge their tax return or risk being slapped with hundreds of dollars in fines.

Taxpayers have until October 31 to lodge their 2024/25 tax return or face potential fines of $330 for every 28 days their lodgement is late.

Those fines increase every 28 days to a maximum penalty of $1650.

Fines apply to taxpayers who fail to submit their tax return regardless of how they do so, including if they self-lodge or through an agent.

The Australian Taxation Office issued a whopping $935m in failure-to-lodge penalties in the 2023-24 financial year, up more than $300m from the year before.

More than 10 million taxpayers have lodged their tax returns since July 1, 2025, a whopping 1.5 million of which were in the past two weeks.

As of October 1

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