21 June
Activity statements
May monthly activity statements – final date for lodgment and payment.
25 June
Fringe benefits tax return
Lodgment and payment due date for tax agents lodging electronically.
30 June
End of financial year.
Global and domestic minimum tax
The Global and domestic minimum tax return and the GloBE Information Return are due 30 June 2026 for fiscal years ending on or before 31 December 2024.