📅 AU Tax Calendar
Key ATO dates for BAS, super, PAYG, income tax, and FBT. Never miss a deadline.
⏰ Coming Up Next
2026-05-21—FBT Return Due12d
2026-07-14—STP Finalisation Due
2026-07-28—Q4 BAS Due (Apr–Jun 2026)
May
21
FBT Return DueFBT
Lodge and pay FBT return for FBT year ending 31 March 2026.
Jul
14
STP Finalisation DueOther
Finalise Single Touch Payroll data for FY2025-26.
Jul
28
Q4 BAS Due (Apr–Jun 2026)BAS
Lodge and pay quarterly BAS for Q4 FY2025-26.
Jul
28
Super Guarantee Q4 DueSuper
Pay super guarantee for Apr–Jun 2026 quarter.
About ATO Deadlines
The Australian Taxation Office (ATO) sets strict deadlines for BAS lodgement, super guarantee payments, PAYG instalments, and income tax returns. Late lodgement or payment can result in penalties and interest charges.
Quarterly BAS is due on the 28th of the month following the end of each quarter.Monthly BAS is due on the 21st of the following month. If the due date falls on a weekend or public holiday, you have until the next business day.