Your upcoming tax calendar to January 2026
With the end of the calendar year and the holiday season fast approaching, please do not forget about your tax obligations.
In order to be across your tax obligations, below are upcoming compliance dates.
Make sure lodgements are up to date to avoid any interest or penalties.
KEY TAX DATES – DECEMBER 2025 & JANUARY 2026
1 December 2025
Pay income tax for large and medium taxpayers, including companies and super funds
(Lodgment due 31 January 2026)Pay income tax for head companies of consolidated groups with a large or medium member
(Lodgment due 31 January 2026)Pay income tax for companies and super funds where lodgement was due 31 October 2025
21 December 2025
Lodge and pay November 2025 monthly BAS
21 January 2026
Lodge and pay Quarter 2 PAYG instalment activity statement (consolidated groups)
Lodge and pay December 2025 monthly BAS (except eligible GST-monthly small businesses)
28 January 2026
Pay Quarter 2 super guarantee contributions
31 January 2026
Lodge tax returns for large and medium entities
Lodge TFN report for closely held trusts (if applicable)
Lodge tax return for head companies of consolidated groups
(Payment due 1 December 2025)
ATO end-of-year closure
The ATO closure for holiday period will start 12 noon on Wednesday 24 December 2025 and reopen 8am Friday 2 January 2026.
The ATO office, phone support services will be unavailable during this time.
Reach out this month to discuss your business goals. The team is here to help.
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