5 June
Lodge tax returns due for individuals and trusts with a lodgment due date of 15 May 2026 provided they also pay any liability due by this date.
Lodge tax return for companies and super funds with a lodgment due date of 15 May 2026 provided both the prior year and current year return will be non-taxable or result in a refund.
Note:
- This is not a lodgment due date but a concessional arrangement where failure to lodge on time (FTL) penalties will not apply if you lodge and pay by this date.
- Large and medium taxpayers and head companies of consolidated groups are excluded from this concession.
21 June
Lodge and pay May 2026 monthly business activity statement.
25 June
Lodge and pay 2026 Fringe benefits tax annual return for tax agents if lodging electronically.
30 June
Super guarantee contributions must be paid by this date to qualify for a tax deduction in the 2025–26 financial year.
If any of your clients receive Child Care Subsidy and Family Tax Benefit payments from Services Australia, the client and their partner must lodge their 2024–25 tax return by 30 June 2026, regardless of any deferrals in place. For more information, see the Services AustraliaExternal Link website.