Do I Need to Lodge a Tax Return?

Tax time tends to sneak up on people. One minute you’re juggling work, family, and life in general, and the next you’re staring at a MyGov reminder wondering whether you even need to lodge a tax return. We see this every year across Mildura and the surrounding districts — students who worked a few shifts, retirees with a bit of bank interest, casual workers who picked up seasonal hours and assumed it all sorted itself out. The truth is, the ATO doesn’t decide lodgment based on gut feel or income alone. It looks at what was reported under your TFN, whether tax was withheld, and how your income was earned. Get it right, and you may walk away with a refund. Get it wrong, and the letters start arriving.

Why So Many Australians Get Tax Return Obligations Wrong

Most mistakes are not reckless. They come from half-answers and outdated advice that gets passed around like a bad cold.

The common myth — “If I earn under AUD 18,200, I don’t need to lodge”

This belief refuses to die. We hear it every tax season.

The AUD 18,200 tax-free threshold only decides whether you pay income tax. It does not decide whether you must lodge a return.

We often explain it like this:
The threshold is the finish line for tax payable, not the starting gun for lodgment.

If tax was taken out of your pay at any point, the ATO already has its hand up waiting for a return.

“We regularly see refunds sitting there unclaimed because someone thought lodging was optional.”

That might be AUD 300 for a student or AUD 1,500 for a seasonal worker. Either way, it adds up.

How the ATO decides who needs to lodge

The ATO doesn’t rely on guesswork. It relies on data.

Employers, banks, Centrelink, super funds, and platforms all report income under your TFN. Once that information hits the system, the ATO expects one of two things:

1. A lodged tax return, or
2. A non-lodgment advice explaining why a return is not required

Silence is what causes trouble.

Common ATO lodgment triggers.

• PAYG tax withheld by an employer
• Income from more than one job
• Government benefits
• ABN or sole trader income
• Interest, dividends, or share sales

In regional areas like Mildura, short-term and seasonal work is common. People move in and out of jobs with tax withheld each time. The ATO still joins the dots.

The Australian Tax-Free Threshold — What It Does and Does Not Mean

This is where most confusion starts, so it’s worth slowing things down.

What the AUD 18,200 threshold actually applies to

For Australian tax residents, the threshold means:

• You do not pay income tax on the first AUD 18,200 of taxable income
• You may still need to lodge a tax return.

That’s the full story. No fine print hidden underneath.

It does not mean:

• You can ignore a return
• The ATO won’t follow .up
• Tax withheld disappears on its own

In practice, many employers do not apply the tax-free threshold, especially for casual or short-term staff. That’s why refunds exist.

Situations where you must lodge even if you earned less

Based on what we see every year, these are the most common cases where lodging is still required:

• Tax was withheld from wages, even once
• You worked for more than one employer.
• You received Centrelink payments with tax withheld.
• You worked part of the year, then stopped.
• You were a working holiday maker.

Residency Status — Resident vs Non-Resident Tax Rules

Residency is one of the most misunderstood parts of the tax system. We see people get this wrong every year, especially those who move around for work, travel overseas, or arrive in Australia on working visas.

The ATO does not base residency on passports or visas alone. It looks at facts and behaviour where you live. Where do you work? Where your life is centred.

How the ATO decides if you are a tax resident

For tax purposes, you can be an Australian resident even if you are not a citizen. You can also be a non-resident while holding a visa that lets you live and work here.

The ATO uses several tests, but in practice, it comes down to a few key questions:

• Do you live in Australia on an ongoing basis?
• Do you have a home here?
• Are your personal and work ties mainly here?
• Is Australia where you normally return?

If Australia is where your life is based, the ATO will usually treat you as a resident.

In regional areas like Mildura, we see this with overseas workers who come for seasonal farm work, then return year after year. Short stays can still add up to residency depending on circumstances.

Why residency matters for lodging a tax return

Residency affects:

• Whether the tax-free threshold applies
• How much tax is withheld from wages
• Whether the worldwide income must be declared

Australian residents

• Get the AUD 18,200 tax-free threshold.
• Must declare worldwide income
• Often lodge even with low income.e

Non-residents

• Do not get the tax-free threshold.
• Are taxedonm the first dollar
• Usually, they must lodge if they worked in Australia.

Either way, earning income in Australia almost always leads to a lodgment obligation.

Working holiday makers and backpackers

Working holiday makers are taxed under special rules. Employers withhold tax at higher rates, and the tax-free threshold does not apply in the usual way.

If you worked on a working holiday visa:

• A tax return is generally required
• Lodging is how the final tax position is calculated.
• Refunds are common if too much tax was withheld.

We see many backpackers leave the country, assuming everything is finalised through their payslips. Months later, the ATO is still expecting a return.

Residency and overseas income

If you are an Australian tax resident, the ATO expects you to declare:

• Overseas wages
• Foreign rental income
• Interest from overseas banks

This does not always mean paying tax twice. Foreign tax offsets may apply. But the income still needs to be disclosed in a lodged return.

Low Income, No Income, or Centrelink — Do You Still Need to Lodge?

This is the point where many people throw their hands up and guess. Low-income years, gaps in work, or Centrelink payments blur the lines, and the rules feel grey. In reality, the ATO is fairly black and white once you know what it looks for.

We see this a lot in regional areas. Work dries up. Seasonal roles end. People rely on Centrelink for part of the year, then pick up casual shifts when they can. The income looks small, but the reporting trail still exists.

Government payments and tax obligations

Some Centrelink payments are taxable. Some are not. Some have tax withheld. Others don’t.

Here’s where lodging comes into play.

You may need to lodge a tax return if you received:

• JobSeeker Payment
• Youth Allowance
• Parenting Payment
• Austudy or Abstudy

If tax was withheld from any of these payments, a return is usually required to finalise the position.

We often see people opt to have tax withheld from Centrelink to avoid a bill later. That decision alone can trigger a lodgment obligation, even if total income stays low.

What if you earned nothing at all?

No income does not always mean no action.

If the ATO expects a return based on past history or reported data and you lodge nothing, you may still receive follow-up notices. That’s where non-lodgment advice comes in.

A non-lodgment advice tells the ATO:

• You had no income, or
• Your income was below the lodgment requirement, and
• No tax was withheld

Filing this keeps your record clean and stops automated reminders.

Non-lodgment advice — when and why it matters

Non-lodgment advice is often overlooked, but it plays an important role.

You should submit one if:

• You had no income and no tax withheld
• You were studying full-time with no paid work.
• You lived overseas for the full year and earned no Australian income.

Ignoring this step can lead to:

• ATO reminder letters
• Delays with future returns
• Issues accessing MyGov services 

It’s a small task that prevents bigger headaches later.

Modern Income Types the ATO Watches Closely

Income no longer just comes from wages and salaries. Over the last few years, the ATO has widened its data matching, and we’ve seen that net tighten quickly. What people once thought was “off the radar” now lands squarely on it.

This matters for lodging because many of these income types do not have tax withheld upfront, which almost always leads to a tax return obligation.

Cryptocurrency, shares, and capital gains

Crypto catches more people out than almost anything else.

Selling, swapping, gifting, or even using cryptocurrency to pay for something can trigger Capital Gains Tax (CGT). The ATO receives data directly from Australian and overseas exchanges. If transactions are reported under your TFN or linked to your identity, the ATO already knows.

You may need to lodge a tax return if you:

• Sold cryptocurrency
• Traded one coin for another
• Used crypto to buy goods or services
• Sold shares or managed funds

Even small amounts matter. The ATO does not apply a “too small to care” rule.

Online platforms, side income, and digital work

Income from platforms is heavily reported.

This includes:

• Ride-share and delivery apps
• Online marketplaces
• Freelance platforms
• Content creation and digital services

If money hit your bank account, the ATO likely has a record of it.

In smaller communities, we see people run side gigs quietly alongside regular work. Once platforms report income, the ATO expects to see it included in a lodged return.

Overseas income and foreign assets

Australian tax residents must declare worldwide income, even if tax was already paid overseas.

This includes:

• Overseas wages
• Foreign rental income
• Interest from foreign bank accounts

Foreign tax offsets may reduce the tax payable, but the income still needs to be reported.

Failure to lodge in these cases often triggers ATO reviews years later, when records are harder to pull together.

Most tax return mistakes come from confusing tax payable with lodgment required. You can earn under the tax-free threshold and still need to lodge, especially if tax was withheld or income was reported under your TFN. Even in no-income years, the ATO may still expect a non-lodgment advice. In our experience around Mildura, people who check early avoid refunds being missed and letters arriving later.