Tax time can feel confusing, especially if you are not sure how to prepare and lodge your tax return. For the 2026 financial year, your tax return needs to include your income, deductions and other relevant tax information for the period 1 July 2025 to 30 June 2026. This guide explains how to do your tax return in Australia, what documents to gather, when to lodge, and how to avoid common mistakes. Whether you lodge yourself through myTax or use a registered tax agent, unders