ATO Tax Calendar
BAS Q1 Due (FY2026-27)
Business Activity Statement for the July-September 2026 quarter. Lodge and pay by this date.
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All upcoming dates
October 2026
PAYG Instalment Q1 (FY2026-27)
PAYGPay As You Go instalment for the July-September 2026 quarter.
28 October 2026
Tax Return Due (Self-Lodged)
Tax ReturnIf you're lodging your own FY2025-26 tax return, it's due by this date.
31 October 2026
February 2027
BAS Q2 Due (FY2026-27)
BASBusiness Activity Statement for the October-December 2026 quarter. Lodge and pay by this date.
28 February 2027
PAYG Instalment Q2 (FY2026-27)
PAYGPay As You Go instalment for the October-December 2026 quarter.
28 February 2027
April 2027
BAS Q3 Due (FY2026-27)
BASBusiness Activity Statement for the January-March 2027 quarter. Lodge and pay by this date.
28 April 2027
PAYG Instalment Q3 (FY2026-27)
PAYGPay As You Go instalment for the January-March 2027 quarter.
28 April 2027
May 2027
Tax Return Due (Agent-Lodged)
Tax ReturnIf a registered tax agent lodges your FY2025-26 return, the extended deadline is usually mid-May. Check with your agent.
15 May 2027
FBT Return Due (Paper)
FBTFringe Benefits Tax return for the FBT year ending 31 March 2027. Paper lodgement deadline.
21 May 2027
June 2027
FBT Return Due (Agent/Electronic)
FBTFringe Benefits Tax return for the FBT year ending 31 March 2027. Electronic or agent lodgement deadline.
25 June 2027
July 2027
Tax Return Lodgement Opens (FY2026-27)
Tax ReturnThe ATO opens tax return lodgement for FY2026-27. Wait for your income statement to be marked 'tax ready' before lodging.
1 July 2027
STP Finalisation Due (FY2026-27)
STPEmployers must finalise Single Touch Payroll data for FY2026-27. Your income statement will be 'tax ready' in myGov after this date.
14 July 2027
BAS Q4 Due (FY2026-27)
BASBusiness Activity Statement for the April-June 2027 quarter. Lodge and pay by this date.
28 July 2027
PAYG Instalment Q4 (FY2026-27)
PAYGPay As You Go instalment for the April-June 2027 quarter.
28 July 2027