For international students and skilled workers residing in Australia, Tax Time is not only an opportunity to reconcile yearly earnings and tax withholdings, but also a formal legal obligation that must be fulfilled punctually. The Australian financial year 2025–2026 concluded on 30 June 2026. Following this date, all individuals with tax obligations must prepare and lodge their annual tax returns for the completed tax year.

Crucially, for those lodging independently, 31 October 2026 represents the statutory individual lodgment deadline. The Australian Taxation Office (ATO) mandates that self-lodged returns be submitted on or before 31 October annually.
When is the tax return deadline for 2025–2026?

If you lodge your own return online via myGov, the deadline is 31 October 2026. If you engage a registered Australian tax agent, the ATO permits tax agents to utilize extended client lodgment programs—allowing lodgment past 31 October in many circumstances, provided you are registered on their client list prior to 31 October.
What are the penalties for late tax return lodgment?

The ATO enforces a Failure to Lodge (FTL) penalty for overdue returns. Statutorily, the base penalty is calculated at 1 penalty unit for every 28 days (or part thereof) that a return remains outstanding, up to a statutory ceiling of 5 penalty units.
Essential compliance advice for international students and visa holders
International students and temporary visa holders often work across multiple employers, hospitality shifts, or gig platforms. Ensure all income statements and PAYG payment summaries are pre-filled and reconciled in myGov before final submission.
Source: Australian Taxation Office (ATO)