June 5: Lodge 2024 tax returns for all entities that did not need to lodge earlier (including all remaining consolidated groups) and are not eligible for the June 5 concession.
June 21: Lodgement and payment of May 2025 monthly business activity statement.
June 25: Lodge and pay 2025 fringe benefits tax annual return for tax agents if lodging electronically.
June 30: Super guarantee contributions must be paid by this date to qualify for a tax deduction in the 2024-25 financial year.
June 30: End of 2024-25 financial year.