Do You Need to Declare Every Source of Income to the ATO?
“I only earned a few thousand dollars from my side hustle, so I don’t need to include it in my tax return.” If that sounds familiar, you’re not alone. Many Australians assume that only their regular salary needs to be reported to the Australian Taxation Office (ATO). However, this misunderstanding can lead to unexpected tax bills, penalties, and even ATO audits. In 2026, the ATO's improved data-matching systems make it easier to identify unreported income. If you earn money from a second job, a side hustle, investments, a rental property, cryptocurrency, or overseas sources, it's important to include it on your tax return. Here’s everything you need to know. What Does the ATO Consider Taxable Income? Taxable income isn't limited to your salary or wages. In general, if you receive money or financial benefits that are taxable under Australian law, they should be included in your tax return. Some of the most common types of taxable income include: Salary and wages Bonuses, c...