Australia: Guide to Common Income Tax Return Due Dates for Australian Clients

The ATO published a guide on 20 August 2026 listing the five most common income tax return due dates for different client types.

Key Takeaways

  • Individuals usually lodge by 31 October unless using a tax agent.
  • Businesses and trusts follow dates from 15 January to 30 June based on reporting frequency.

Disclaimer:This article is compiled and summarized based on publicly available information and is for general information and academic exchange purposes only. It does not constitute any form of formal tax advice, legal opinion, or basis for performance. For tax planning, please consult a qualified professional tax advisor or legal counsel.

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