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EOFY

EOFY Tax Checklist Australia 2026 — What to Do Before 30 June

Complete end of financial year tax checklist for Australians. What to claim, what to do before 30 June, and how to maximise your 2025-26 tax return.

Updated June 2026·Written & reviewed by a CPA-qualified accountant·Based on public ATO guidance·General information only
Independent guide: Based on publicly available ATO guidance — not affiliated with the ATO. Tax law changes frequently — for your specific situation, consult a registered tax agent.

Frequently Asked Questions

What should I do before 30 June for tax purposes?

Before 30 June: make any concessional super contributions, prepay deductible expenses (like income protection insurance or investment loan interest), purchase work-related equipment under the instant asset write-off, and ensure you have records for all work-related deductions.

Can I prepay expenses before 30 June to get a deduction this year?

Yes. Individuals can prepay up to 12 months of deductible expenses in advance and claim the full amount in the current year. Common examples include income protection insurance premiums and investment loan interest.

What is the super contribution deadline for EOFY?

Contributions must be received by your super fund by 30 June to count in the current financial year. Allow 3–5 business days for processing. The concessional contribution cap for 2025-26 is $30,000.

When is the tax return lodgement deadline in Australia?

If you lodge your own tax return, the deadline is 31 October. If you use a registered tax agent, you may be eligible for an extended deadline — often 15 May of the following year.

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General information only. This guide provides general information about Australian tax law and does not constitute personal tax advice. Tax laws change and individual circumstances vary. Always consult a registered tax agent (registered with the Tax Practitioners Board) for advice specific to your situation. Taxplain is not a registered tax agent.