Key Financial Dates for the 2025–2026 Financial Year

Vania Wang • July 7, 2025

Key Financial Dates for the 2025–2026 Financial Year 

A person is writing in a notebook with a pen.

Staying organised with key financial dates is essential for smooth business operations and avoiding stressful, last-minute scrambles. Whether you're lodging Business Activity Statements (BAS), managing super contributions, or handling tax obligations, here are the critical dates you need to mark in your calendar for the 2025–2026 financial year.


Business Activity Statement (BAS) Deadlines

Quarterly BAS

  • Quarter 1 (Jul–Sep): Due 28 October 2025
  • Quarter 2 (Oct–Dec): Due 28 February 2026
  • Quarter 3 (Jan–Mar): Due 28 April 2026
  • Quarter 4 (Apr–Jun): Due 28 July 2026


Monthly BAS

  • July 2025: Due 21 August 2025
  • August 2025: Due 21 September 2025
  • September 2025: Due 21 October 2025
  • October 2025: Due 21 November 2025
  • November 2025: Due 21 December 2025
  • December 2025: Due 21 January 2026
  • January 2026: Due 21 February 2026
  • February 2026: Due 21 March 2026
  • March 2026: Due 21 April 2026
  • April 2026: Due 21 May 2026
  • May 2026: Due 21 June 2026
  • June 2026: Due 21 July 2026


Superannuation Guarantee (SG) Payment Deadlines

  • Quarter 1 (Jul–Sep): 28 October 2025
  • Quarter 2 (Oct–Dec): 28 January 2026
  • Quarter 3 (Jan–Mar): 28 April 2026
  • Quarter 4 (Apr–Jun): 28 July 2026

Note: Payments must be received by the super fund by these dates to avoid penalties.


Fringe Benefits Tax (FBT)

  • FBT Year Ends: 31 March 2026
  • Lodgement and Payment Due: 21 May 2026


PAYG Payment Summaries

For payments not reported through Single Touch Payroll (STP):

  • Due Date: 14 July 2026


Taxable Payments Annual Report (TPAR)

Applicable industries include building and construction, cleaning, courier, IT, and security services.

  • Due Date: 28 August 2026


Important Update: New ATO Interest Deductibility Rule

From 1 July 2025, interest charged by the Australian Taxation Office (ATO) on overdue tax debts will no longer be tax-deductible. Ensure your business manages tax liabilities proactively to avoid unnecessary financial burdens.


Stay Ahead and Stay Organised

Keeping track of these key financial dates is vital for maintaining compliance, maximising your cash flow, and ensuring the smooth operation of your business. Need help navigating these dates or streamlining your financial processes? Reach out—we're here to help your business thrive.


Contact us today for personalised advice and proactive support.

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