June 2026 Tax Calendar Australia
The standalone calendar app is now the primary experience. This main-site monthly view remains available as a fallback during the transition.
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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
Extension settings depend on bill passage and commencement.
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FAQ
What is the self-lodgment deadline?
For most individuals, the self-lodgment deadline is 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.