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2026 Australia Tax & Compliance Calendar

Key dates for Australian BAS quarterly, PAYG, STP, Luxury Car Tax, and WET in 2026.

2026AU
VAT FilingEPR FilingCustoms ChangeRegistration

January 2026

OtherImportant

December 2025 BAS Due (Quarterly)

Quarterly Business Activity Statement for October–December 2025 due (lodged via BAS agent: February 28).

21

February 2026

OtherImportant

STP Finalisation Deadline (FY2024-25)

Single Touch Payroll finalisation declaration for FY2024-25 due to ATO.

28

March 2026

OtherImportant

PAYG Instalment Activity Statement Due

Quarterly PAYG instalment activity statement for October–December 2025 due.

1

April 2026

OtherImportant

March 2026 BAS Due (Quarterly)

Quarterly BAS for January–March 2026 due (lodged via BAS agent: May 26).

28
Other

Luxury Car Tax (LCT) Quarterly Return Due

LCT quarterly return and payment for January–March 2026 due.

30

May 2026

OtherImportant

Fringe Benefits Tax (FBT) Return Due

FBT return for the year ended 31 March 2026 due (tax agent lodgement may be extended).

15

June 2026

OtherImportant

End of Financial Year 2025-26

Financial year ends. Superannuation contributions for employees must be received by super fund by this date.

30

July 2026

OtherImportant

June 2026 BAS Due (Quarterly)

Quarterly BAS for April–June 2026 due. PAYG instalment activity statement also due.

28

August 2026

Other

Wine Equalisation Tax (WET) Quarterly Return Due

WET quarterly return for April–June 2026 due.

14

October 2026

OtherImportant

September 2026 BAS Due (Quarterly)

Quarterly BAS for July–September 2026 due.

28
OtherImportant

Individual Tax Return Deadline (Self-Lodged)

Deadline for self-lodged individual tax returns for FY2025-26. Tax agent lodgement dates may be later.

31

Primary Sources

  • https://www.ato.gov.au
  • https://www.ato.gov.au/businesses-and-organisations/preparing-lodging-and-paying/business-activity-statements-bas
  • https://www.ato.gov.au/businesses-and-organisations/preparing-lodging-and-paying/single-touch-payroll

Updated 2026-08-03