Key dates coming up in 2025
Some key dates from the Australian Taxation Office (ATO) add these to your calendar and check back regulary to find out what’s coming up.
1 Dec 2025 Income tax
The due date for these entities to lodge 2024/25 income tax returns is 31 Jan 2026.
1 Dec 2025 Income tax
Due date for companies and superannuation funds, that were required to lodge income tax returns on 31 Oct 2025, to pay income tax for the year to 30 June 2025.
1 Dec 2025 Income tax
Due date for taxable head companies of consolidated groups (including new registrants), that have a member deemed to be a large/medium entity in the immediate prior year, to pay income tax for the year to 30 June 2025.
The due date for these entities to lodge 2024/25 income tax returns is 31 Jan 2026.
21 Dec 2025 Activity statements
Due date to lodge and pay monthly activity statements for November 2025. Tax obligations that may be payable include:
- GST, wine equalisation tax and luxury car tax for November 2025.
- PAYG withholding for November 2025 (medium withholders).
- PAYG instalment for November 2025 for monthly PAYG instalment payers.
NOTE:
- As some dates may vary, please ensure you contact the Australian Taxation Office to double check any dates in question.
- When the due date for lodgement or payment falls on a Saturday, Sunday, or public holiday, it may be done on the next business day.