An Individual Tax Return is your yearly report to the Australian Taxation Office (ATO). It details all the income you’ve earned and the deductions you can claim for the financial year (1 July to 30 June). Lodging a tax return helps you and the ATO figure out if you’ve paid the right amount of tax. The outcome is either a tax refund, a tax bill, or no change at all.

This guide will walk you through everything you need to know to lodge your individual tax return in Australia correctly and confidently.

Who Needs to Lodge an Individual Tax Return?

If you earned money in Australia during the financial year, you probably need to lodge an individual tax return. The most common reason is earning more than the tax-free threshold, which is currently $18,200 for Australian residents. However, even if you earned less than this, you may still need to lodge.

Today, lodging a tax return is a sophisticated data-matching process. The ATO uses information from your employer, bank, government agencies like Centrelink, and other third parties to pre-fill parts of your return. This makes it a crucial annual financial check-up.

Common Reasons to Lodge a Tax Return

It’s a common myth that you only need to lodge if you earn over the threshold. You will almost certainly need to lodge a tax return if:

• Tax was withheld from your pay: If your employer took tax out of your wages, you must lodge a return to get a refund of that tax.
• You ran a business: Anyone operating as a sole trader must lodge a tax return, even if your business made a loss.
• You received certain government payments: Some benefits from Centrelink are taxable and require you to lodge a return.
• You sold assets: If you sold assets like shares, property, or cryptocurrency, you need to lodge to report any capital gains or losses.
• You had investment income: This includes rental income from a property, bank interest, or dividends from shares.

The table below outlines common situations that require lodging an individual tax return in Australia. Always check the latest ATO criteria, as rules can change.

Your Situation	Generally Required to Lodge?	Why?
Earned over $18,200 as a resident	Yes	Your income is above the tax-free threshold.
Had tax withheld from any income	Yes	This is the only way to claim a refund of withheld tax.
Operated a business as a sole trader	Yes	All business income and expenses must be reported.
Had an investment property	Yes	Rental income must be declared, and expenses can be claimed.
Sold shares, crypto, or other assets	Yes	To report a capital gains tax (CGT) event.
Were a foreign resident earning in Australia	Yes	Foreign residents are taxed from the first dollar earned.

If you’re ever in doubt, it’s safer to check your obligations with the ATO or a tax agent. Failing to lodge when required can lead to penalties and interest charges.

What to Include in Your Tax Return: Income and Deductions

A successful tax return comes down to two key components: declaring all your income and claiming all the deductions you’re legally entitled to. Getting this right ensures you meet your compliance obligations and don’t pay more tax than necessary.

Declaring Your Income

Your assessable income isn’t just your salary. The ATO requires you to declare income from all sources. While the ATO’s myTax system pre-fills a lot of this information, the legal responsibility to ensure it’s complete and correct rests with you.

Common income sources you must include are:

• Employment income: Salary, wages, allowances, commissions, bonuses, and any lump sum payments.
• Sole trader and business income: All gross income (before expenses) from your business, side hustle, or contractor work.
• Government payments: Most Centrelink payments, parental leave pay, and other government benefits.
• Investment income: Bank interest, dividends from shares, and distributions from managed funds.
• Rental income: All rent received from an investment property.
• Capital gains: The profit made from selling assets like property, shares, or cryptocurrency.
• Other income: This can include income from the sharing economy (e.g., Airbnb, Uber), royalties, or prize money.

Claiming Tax Deductions

Deductions are work-related expenses you incurred to earn your income. Claiming them reduces your taxable income, which lowers your final tax bill.

To claim a work-related deduction, you must satisfy three golden rules:

1. You must have spent the money yourself and weren’t reimbursed.
2. The expense must be directly related to earning your income.
3. You must have a record (like a receipt or bank statement) to prove it.

If an expense was for both work and private use, you can only claim the work-related portion. For example, if you use your mobile phone 50% for work, you can only claim 50% of its cost.

Common deductions include:

• Work-related car expenses: Using your own car for work-related travel (not including home-to-work travel).
• Home office expenses: Costs for running a home office if you work from home.
• Self-education expenses: Costs for courses or study directly related to your current job.
• Tools and equipment: The cost of items required to do your job.
• Donations: Gifts of $2 or more to registered charities.

For anyone who gives to religious organisations, it’s also worth understanding the specific rules for church donation tax deductions, as these fall under the ‘gifts and donations’ category and have their own requirements.

Pro Tip: Maximising deductions is key to a better tax outcome. Our detailed tax deductions guide can help you identify claims you might be missing.

How to Lodge Your Australian Tax Return

Once you have your income and deduction information ready, you have two main options for lodging your individual tax return in Australia: do it yourself using the ATO’s online service, or engage a professional.

Option 1: Lodge Online with myTax

myTax is the ATO’s online tool for preparing and lodging your own tax return. You can access it through your myGov account. It’s designed for people with straightforward tax affairs.

The myTax system:

• Connects your myGov account to the ATO’s online services.
• Automatically pre-fills some of your income information from employers, banks, and health funds.
• Requires you to manually add any missing income and all your claimed deductions.
• Lets you review an estimate of your tax refund or bill before lodging.

While myTax is convenient, the responsibility for accuracy is entirely yours. Pre-filled data is often incomplete, and you could miss valuable deductions if you don’t know what to look for.

Option 2: Use a Registered Tax Agent

A registered tax agent is a qualified professional who can prepare and lodge your tax return on your behalf. This is the recommended option for anyone with more complex affairs, such as sole traders, property investors, or those with significant investments. For those who prefer professional assistance with the filing process, services like professional tax preparation can simplify the task by addressing tax problems with preparation.

A good tax agent will:

• Ensure your return is accurate and ATO-compliant.
• Identify all possible deductions to legally minimise your tax.
• Handle the entire lodgement process for you.
• Provide advice on complex tax issues like capital gains or rental properties.

Using a tax agent also provides an extended lodgement deadline, often several months after the standard 31 October cut-off for self-lodgers.

Key Dates, Deadlines, and Record-Keeping

Two things will save you from stress at tax time: knowing your deadlines and keeping good records.

Important Tax Return Deadlines

• Financial Year: 1 July to 30 June.
• DIY Lodgement Deadline: 31 October is the final day for lodging your own tax return. Missing this date can result in penalties and interest.
• Tax Agent Deadline: If you use a registered tax agent, your deadline is typically later, often as late as 15 May of the following year, provided you are on their client list by 31 October.

Always check the ATO website for the most current dates, as they can sometimes change.

The Importance of Record-Keeping

The ATO requires you to keep tax records for five years from the date you lodge your return. This isn’t just about compliance; it’s about having proof for every deduction you claim. Without a record, you can’t claim an expense.

Your Tax Return Records Checklist

Get organised with this simple checklist for your tax return records:

• Income Statements/PAYG Summaries: Your end-of-financial-year income statement from your employer (available in your myGov account).
• Bank Statements: To verify all interest earned.
• Investment Summaries: Dividend statements from shares and distribution summaries from managed funds.
• Rental Property Records: Agent statements, loan interest, council rates, and receipts for all expenses.
• Business Records (for sole traders): All invoices issued and receipts for expenses.
• Deduction Receipts: Digital or paper receipts for all work-related expenses.
• Logbooks: A logbook is essential for substantiating car or home office expense claims.

A Step-by-Step Guide to Lodging Your Tax Return

Lodging your individual tax return can feel daunting, but breaking it down into manageable steps makes the process much smoother.

Step 1: Choose Your Lodgement Method Decide whether you will lodge yourself via myTax or use a registered tax agent. If your affairs are complex (e.g., you are a sole trader or have an investment property), an agent is highly recommended.

Step 2: Gather All Your Income Information Collect all your income statements, bank interest details, dividend summaries, rental income statements, and business income records. Don’t rely solely on the ATO’s pre-filled data.

Step 3: Collect All Your Deduction Records Gather receipts, invoices, bank statements, and logbooks for every work-related expense you plan to claim. Organise them by category (e.g., car expenses, home office, self-education).

Step 4: Complete the Tax Return If using myTax, log in to myGov, navigate to the ATO section, and start your return. Carefully review all pre-filled information, add any missing income, and enter your deductions. If using an agent, they will handle this for you based on the documents you provide.

Step 5: Review and Lodge Before submitting, double-check every section. Review the final estimate to understand your tax position. Once you are confident everything is correct, lodge the return. Your agent will do this on your behalf.

Step 6: Receive Your Notice of Assessment After processing your return, the ATO will issue a Notice of Assessment (NOA). This document confirms your final tax outcome, including your tax refund or tax bill. Check it against your copy of the tax return to ensure they match.

Worked Example: Claiming Deductions

Let’s look at a practical example.

Meet Chloe, a graphic designer earning $90,000 a year. She works from home two days a week.

• Income: $90,000
• Tax Withheld by Employer: $21,000

Chloe has kept good records and identifies the following deductions:

• Home Office Expenses: She uses the ATO’s fixed rate method. For the 2025-26 income year, let’s assume the rate is 67 cents per hour. She worked 8 hours/day, 2 days/week, for 48 weeks.
  • Calculation: 8 hours × 2 days × 48 weeks = 768 hours.
  • Claim: 768 hours × $0.67/hour = $514.56
• Laptop Depreciation: She bought a new laptop for $2,500, used 80% for work. She can claim the business-use portion. Using the diminishing value method at 40% (for a 2-year effective life):
  • Calculation: $2,500 × 80% (business use) × 40% (depreciation rate) = $800
• Self-Education: She completed a $550 online course to improve her design software skills.
  • Claim: $550

Total Deductions: $514.56 + $800 + $550 = $1,864.56

Tax Outcome:

• Taxable Income: $90,000 – $1,864.56 = $88,135.44
• Without deductions, tax on $90,000 (plus Medicare levy) would be approximately $20,167.
• With deductions, tax on $88,135.44 (plus Medicare levy) is approximately $19,570.
• Tax Saving from Deductions: $20,167 – $19,570 = $597.
• Final Position: Tax withheld ($21,000) – Tax payable ($19,570) = $1,430 Tax Refund.

Note: This example uses illustrative tax rates and calculations. Your actual outcome will depend on current tax brackets and specific circumstances.

Common Mistakes to Avoid on Your Individual Tax Return

Even with the best intentions, it’s easy to make mistakes. Here are some common pitfalls and how to avoid them.

1. Forgetting to Declare All Income

• The Mistake: Only declaring your main salary and forgetting about bank interest, a side hustle, or a small capital gain from selling shares.
• The Fix: Before lodging, review your bank statements and records from any investment or sharing economy platforms. The ATO’s data-matching is very effective and will likely find undeclared income. If you’re unsure about your obligations or are facing a potential ATO review, you can learn about managing ATO disputes and ensuring compliance here.

2. Claiming Deductions Without Proof

• The Mistake: Claiming a deduction for an expense without a receipt or other record to prove it.
• The Fix: Keep a digital or physical copy of every receipt for work-related expenses. The rule is simple: no proof, no claim. Even for claims under $300 where individual receipts aren’t required, you must be able to show the ATO how you calculated the amount.

3. Claiming Private Expenses

• The Mistake: Claiming the full cost of an expense that was partly for private use, like a mobile phone bill or home internet.
• The Fix: Keep a logbook or other records to determine a reasonable percentage for work-related use and only claim that portion.

4. Incorrectly Claiming Car Expenses

• The Mistake: Claiming normal travel between home and work. This is considered private travel and is not deductible.
• The Fix: Only claim car expenses for travel directly related to your work duties, such as driving between job sites or visiting clients. Keep a logbook to substantiate your claim.

Frequently Asked Questions About Individual Tax Returns

What is an individual tax return?

An individual tax return is an annual declaration to the ATO that reports your total income, deductions, and other tax information for a financial year. It’s used to calculate your tax liability and determine whether you receive a tax refund or have a tax bill to pay.

Who needs to lodge an individual tax return in Australia?

Generally, you need to lodge a tax return in Australia if your income exceeds the tax-free threshold ($18,200 for residents), if tax was withheld from any income you received, or if you ran a business as a sole trader. It’s always best to check the specific ATO requirements each year.

When is the tax return deadline in Australia?

If you lodge your own individual tax return, the deadline is 31 October. If you use a registered tax agent, you typically get an extended deadline, which can be as late as May of the following year.

What happens if I lodge my tax return late?

Lodging a late tax return can result in a ‘failure to lodge on time’ penalty from the ATO, which increases the longer the return is overdue. You may also be charged interest on any tax you owe.

How long does a tax refund take?

If you lodge online, the ATO generally processes refunds within two weeks. However, the official service standard is up to 30 days. Delays can occur if your return contains errors or is selected for a review.

Should I use myTax or a tax agent?

If your tax affairs are simple (e.g., one job, no investments), myTax can be a suitable DIY option. However, if you are a sole trader, own a rental property, have capital gains, or want to ensure you claim every possible deduction, using a tax agent is highly recommended.

Can I claim travel between home and work?

No, travel between your home and regular place of work is considered a private expense and is not deductible. Exceptions apply if you are required to transport bulky tools or travel between different work sites during the day.

What records do I need to keep for my tax return?

You need to keep records for five years. This includes income statements, bank statements showing interest, dividend summaries, rental property records, business invoices, and receipts for all expenses you claim as deductions.

What if I make a mistake on my tax return?

If you realise you’ve made a mistake after lodging, you can request an amendment. This can be done online via myTax or through your tax agent. It’s best to fix errors voluntarily, as it shows good faith to the ATO.

How do I lodge my first individual tax return?

To lodge your first tax return, you’ll need a Tax File Number (TFN). You can then create a myGov account and link it to the ATO to use myTax, or you can engage a registered tax agent to guide you through the process and lodge on your behalf.

Get Professional Help With Your Tax Return

Lodging an individual tax return correctly is a vital financial responsibility. While doing it yourself is an option, professional guidance from a registered tax agent can provide peace of mind, ensure compliance, and help you achieve the best possible tax outcome. An expert can uncover deductions you may have missed and help you navigate complex tax rules, saving you time and money.

For a clearer picture of your potential tax obligations, you can use our handy Australian income tax calculator to get a quick estimate.

Ready to take the stress out of tax time?

Book a consult with Nanak Accountants & Associates – 1300 NANAK TAX (626 258).