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Lodging a Late or Amended Student Tax Return in Australia: What Students Should Know

Writer: John Opiala
John Opiala
Sep 4
5 min read

Updated: 4 days ago

Student tax return illustration showing a student reviewing a tax document on a laptop, with a refresh symbol, calendar deadline, and clock representing a late or amended student tax return in Australia.

Quick Answer:

Missed the 31 October deadline or found a mistake after lodging? You can still lodge a late tax return, and you can amend one you've already submitted, generally within two years. A late lodgement can attract a penalty, but the ATO is usually lenient with first-time, low-income students, especially if you're owed a refund rather than owing tax. Tax Falcon can help with either situation.


What Happens If I Miss the Tax Return Deadline?


A failure-to-lodge penalty can apply once you're overdue, calculated in 28-day blocks up to a set maximum, but the ATO generally shows leniency to first-time filers, especially students with simple, low-income returns.


The penalty grows the longer a return stays outstanding, capped after a set number of 28-day periods. In practice, the ATO frequently remits (cancels) this penalty for someone lodging late for the first time, particularly if there's a reasonable explanation and no pattern of repeated lateness. Lodging as soon as you can, even after the deadline, is always better than not lodging at all.


Do I Still Get a Penalty If I'm Owed a Refund?


Technically a penalty can still apply, but the ATO is generally more lenient when you're getting money back rather than owing it. There's less urgency from their side, but it's still an overdue return on your record.


Being owed a refund doesn't make your return optional. You're still required to lodge it (or submit a non-lodgement advice if you genuinely didn't need to). The upside is that most students in a refund position who lodge late, even by a fair margin, don't end up with a penalty in practice.


What Should I Do If I Haven't Lodged for Several Years?


Start with the oldest overdue year and work forward, using your income statements or Tax Falcon to help pull together each year's records.


The ATO is generally far more understanding of students who come forward and voluntarily catch up on overdue returns than those who wait to be contacted first. If you're not sure where to start, Tax Falcon can check exactly which years are outstanding and lodge them in the right order.


Can I Get a Later Deadline by Using a Registered Tax Agent?


Yes, if you register with Tax Falcon before 31 October, you generally get an extended deadline well into the following year, instead of the standard self-lodgement cut-off.


This is one of the simplest ways to avoid a late-lodgement penalty altogether if you know you won't get to it by 31 October. Tax Falcon can register you as a client before the deadline, buying you extra time even if you're not ready to lodge straight away.


Can I Amend My Student Tax Return After I've Lodged It?


Yes, you can lodge an amendment for a mistake, generally within two years of your original notice of assessment for most individual taxpayers.


Amendments are common and routine. Forgetting a bank interest amount, leaving off a side hustle payment, or realising you missed a deduction are all normal reasons to amend. You can lodge an amendment yourself directly with the ATO, or have Tax Falcon take care of it for you.


What Happens If My Amendment Means I Owe More Tax?


You'll owe the extra tax plus a General Interest Charge (GIC) that accrues from the original due date, but fixing it yourself, before the ATO catches it, generally leads to a much better outcome than waiting to be audited.


The GIC applies to the shortfall amount for the time it was outstanding, separate to any late-lodgement penalty. If the ATO decides you didn't take reasonable care with your original return, a further shortfall penalty can apply, but this is typically reduced substantially, or not applied at all, when you come forward and correct it voluntarily rather than being caught out.


What If My Amendment Means I'm Owed More Money?


You'll simply receive the extra refund. There's no penalty for finding you're owed more, and it's well worth checking an old return if you think you missed a deduction.


A common example is realising after the fact that you were eligible to claim a work-related self-education expense, or that you claimed the tax-free threshold incorrectly across two jobs. Amending to fix either of these can only work in your favour.


How Do I Lodge a Late or Amended Student Tax Return?


  1. Gather your records: income statements, bank interest, ABN income, and any deduction receipts for the relevant year.

  2. Tell Tax Falcon what's changed: whether you're catching up on an overdue year or fixing a mistake on one you've already lodged.

  3. Review: Tax Falcon's registered agents check the details and work out what needs to be updated or submitted.

  4. Lodge: your late or amended return is submitted on your behalf.

  5. Keep a copy: you'll get a confirmation and any updated notice of assessment for your records.


You can also lodge a late return or amendment yourself directly with the ATO. Tax Falcon's Student Tax Return service, from $69, has registered agents who can catch up overdue years or lodge an amendment correctly the first time.


For the ATO's own guidance on penalties and amendments, see ato.gov.au.


Frequently Asked Questions


How many years can I go back and lodge overdue tax returns in Australia?

There's no fixed limit on how many overdue years you can lodge, but the further back you go, the harder it can be to track down records. Online income statements are usually only available for the last several years.


Will lodging late affect my Centrelink or HECS-HELP situation?

It can. Anything based on your taxable income, like family assistance reconciliation or working out your HECS-HELP repayment, can be delayed until your return is lodged, so it's worth catching up sooner rather than later.


Does the ATO charge interest on a late tax debt?

Yes. The General Interest Charge accrues daily on any unpaid tax debt from its due date until it's paid, separate from any late-lodgement penalty.


Can I amend a return from more than two years ago?

The standard amendment period for most individuals is two years from your notice of assessment. Outside that window, you'd need to apply to the ATO directly, and an extension isn't guaranteed.


Is it better to fix a mistake myself or wait for the ATO to catch it?

Fix it yourself. Voluntary, prompt disclosure generally reduces or removes any penalty, while being caught out by an ATO review or audit is treated more seriously.



Behind on a tax return, or need to fix one you've already lodged? Start My Return with Tax Falcon's Student Tax Return service, from $69, and let its registered agents sort it out properly.



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