ATO Tax Calendar
Key ATO dates for FY2025-26. BAS quarters, tax return deadlines, super guarantee dates, and PAYG instalments.
Tax Return Due (Agent-Lodged)
Tax ReturnIf your tax agent is lodging for you, the extended deadline is usually mid-May. Check with your agent.
15 May 2027
423 days
Tax Return Due (Self-Lodged)
Tax ReturnIf you're lodging your own tax return for FY2025-26, it's due by this date.
31 October 2026
227 days
Super Guarantee Q4
SuperEmployer super contributions for April-June must be received by the fund by this date.
28 July 2026
132 days
BAS Q4 Due
BASBusiness Activity Statement for April-June quarter. Lodge and pay by this date.
28 July 2026
132 days
PAYG Instalment Q3
PAYGPay As You Go instalment for January-March quarter.
28 April 2026
41 days
Super Guarantee Q3
SuperEmployer super contributions for January-March must be received by the fund by this date.
28 April 2026
41 days
BAS Q3 Due
BASBusiness Activity Statement for January-March quarter. Lodge and pay by this date.
28 April 2026
41 days
PAYG Instalment Q2
PAYGPay As You Go instalment for October-December quarter.
28 February 2026
Past
BAS Q2 Due
BASBusiness Activity Statement for October-December quarter. Lodge and pay by this date.
28 February 2026
Past
Super Guarantee Q2
SuperEmployer super contributions for October-December must be received by the fund by this date.
28 January 2026
Past
Super Guarantee Q1
SuperEmployer super contributions for July-September must be received by the fund by this date.
28 October 2025
Past
BAS Q1 Due
BASBusiness Activity Statement for July-September quarter. Lodge and pay by this date.
28 October 2025
Past