ATO Data Matching Explained: What Every Australian Taxpayer Should Know

Similarly, interest earned on bank accounts, dividends received from Australian companies, and proceeds from investment sales may all be compared against information already available to the ATO.

This is why it's important to wait until your income information has been finalised before lodging your tax return.

Common Reasons Tax Returns Get Reviewed

Receiving a review doesn't necessarily mean you've done something wrong. Sometimes, the ATO simply needs additional information to confirm that a return is accurate.

However, several issues commonly attract attention.

1. Missing Income

One of the most common reasons for discrepancies is forgotten income.

Many Australians have more than one source of earnings throughout the financial year. Besides regular employment, income may come from freelance work, contracting, investments, rental properties, or online platforms.

Even if the amount seems relatively small, it should still be reported where required.

Since much of this information is already supplied directly to the ATO, missing income is often identified automatically.

2. Work-Related Expense Claims

Claiming legitimate deductions is an important part of reducing taxable income, but every claim must be supported by evidence.