June 2026 Australian Tax Calendar
This month board is the working view for June 2026. Check the scheduled dates first, then use filters below only if you want to isolate BAS, PAYG, super, STP, FBT, lodgment or a specific audience.
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Key dates in June 2026
25 June 2026
FBT return and payment due (registered agent electronic lodgment)
Agent e-lodgment due date for eligible FBT clients.
30 June 2026
End of financial year (2025-26)
Financial year closes for income and deduction timing.
30 June 2026
Instant asset write-off extension status checkpoint
The $20,000 instant asset write-off extension for 1 July 2025 - 30 June 2026 was enacted in the Treasury Laws Amendment (Strengthening Financial Systems and Other Measures) Act 2025 and is now law. (A separate, further measure to make the $20,000 threshold permanent from 1 July 2026 is announced but not yet law.)
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Frequently asked questions
What is the self-lodgment deadline?
For most individuals, the self-lodgment deadline is usually 31 October each year, with next business day treatment if needed.
Are these dates legal advice?
No. This calendar is informational only. Always confirm your exact obligation on the ATO website or with a registered tax agent.
Next actions after reviewing June 2026
Employer deadline follow-up
Focus on super, STP, and FBT dates, then move into employer and payroll guidance.
Lodgment season follow-up
Review lodgment-heavy dates, then move into the tax return calculator or compliance hub.