Commercial and retail Business
Tax Return Deadline (Australia)
The 31 October deadline for Australians who lodge their own income tax return for the year to 30 June.
- UK (not marked)
- USA (not marked)
- Ireland (not marked)
- Canada (not marked)
- Australia
- New Zealand (not marked)
- International (not marked)
OrganiserAustralian Taxation Office
ListingAdded by us from official sources
Last checked20 October 2026
First heldNot known
About the day
The Australian Taxation Office sets 31 October as the due date for people who lodge their own return. If it falls on a weekend the deadline moves to the next business day; people using a registered tax agent may have later dates.
Dates for the next three years
| Year | Date | Where | Status |
|---|---|---|---|
| 2026 | Saturday 31 October 2026 | Australia | Same date every year |
| 2027 | Sunday 31 October 2027 | Australia | Same date every year |
| 2028 | Tuesday 31 October 2028 | Australia | Same date every year |
Where this information comes from
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