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2025–26 Financial Year Calendar: Key Dates & Deadlines for Businesses
Stay on top of your financial deadlines in FY25–26 with this complete month-by-month guide to tax time lodgements, BAS, payroll, superannuation and more.
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The 2025-26 financial year is officially underway and with it comes a fresh set of tax lodgments, reporting deadlines and compliance responsibilities. Whether you’re a business owner, payroll manager or individual taxpayer, staying on top of what’s due (and when) is key to avoiding penalties and keeping things running smoothly.
To make life easier, we’ve compiled a month-by-month guide to your essential deadlines so you can stay ahead, stay compliant and stay stress-free. |
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Get Ahead of Your Financial Deadlines: What to Know for FY 2025–26
July 2025
- 1 July – Individual tax returns open for those self-preparing (due by 31 October).
- 7 July – Monthly payroll tax returns due (all states).
- 14 July – Deadline to provide PAYG payment summaries to employees (if not using STP).
- 14 July – Employee share scheme statements due to employees.
- 21 July – Monthly BAS for June due (if you lodge monthly).
- 21 July – Annual payroll reconciliations must be finalised and any outstanding tax paid.
- 28 July – Q4 BAS (April–June) due (if you lodge quarterly).
- 28 July – Super guarantee contributions for Q4 (April–June) due.
August 2025
- 7 August – Monthly payroll tax returns due (all states).
- 14 August – PAYG withholding payment summary annual report must be lodged.
- 14 August – Employee share scheme lodgement due to the ATO.
- 21 August – Monthly BAS for July due (if you lodge monthly).
- 28 August – Taxable payments annual report (TPAR) due for contractors.
September 2025
- 7 September – Monthly payroll tax returns due (all states).
- 21 September – Monthly BAS for August due (if you lodge monthly).
October 2025
- 7 October – Monthly payroll tax returns due (all states).
- 21 October – Monthly BAS for September due (if you lodge monthly).
- 28 October – Q1 BAS (July–Sept) due (if you lodge quarterly).
- 28 October – Super guarantee contributions for Q1 (July–Sept) due.
- 31 October – Final day to lodge your individual tax return if self-lodging.
November 2025
- 7 November – Monthly payroll tax returns due (all states).
- 21 November – Monthly BAS for October (if you lodge monthly).
December 2025
- 7 December – Monthly payroll tax returns due (all states).
- 21 December – Monthly BAS for November due (if you lodge monthly).
January 2026
- 7 January – Monthly payroll tax returns due (applies to all states).
- 21 January – Monthly BAS for December due (if you lodge monthly).
- 28 January – Super guarantee contributions for Q2 (Oct–Dec) due.
February 2026
- 7 February – Monthly payroll tax returns due (applies to all states).
- 21 February – Monthly BAS for January due (if you lodge monthly).
- 28 February – Q2 BAS (Oct–Dec) due (if you lodge quarterly).
March 2026
- 7 March – Monthly payroll tax returns due (applies to all states).
- 21 March – Monthly BAS for February due (if you lodge monthly).
April 2026
- 7 April – Monthly payroll tax returns due (applies to all states).
- 21 April – Monthly BAS for March due (if you lodge monthly).
- 28 April – Q3 BAS (Jan–March) due (if you lodge quarterly).
- 28 April – Super guarantee contributions for Q3 (Jan–Mar) due.
- 30 April – R&D Tax Incentive claims due.
May 2026
- 7 May – Monthly payroll tax returns due (applies to all states).
- 15 May – Company income tax returns due for lodgement and payment (make sure you check with your accountant as earlier lodgment dates can apply).
- 15 May – Partnership & Trust Income tax returns due for lodgement.
- 15 May – Individual tax returns due for lodgement if using a tax agent.
- 21 May – Monthly BAS for April due (if you lodge monthly).
- 21 May – Fringe Benefits Tax return is due if you lodge by paper.
- 28 May – Fringe Benefits Tax return is due if you lodge electronically.
Note: The FBT tax year runs from 1 April to 31 March.
June 2026
- 7 June – Monthly payroll tax returns due (applies to all states).
- 21 June – Monthly BAS for May due (if you lodge monthly).
- 25 June – FBT Return due.
- 30 June – Trust distribution resolutions due.
- 30 June – Prepare for end of financial year and wrap up your books for the 2025–26 year.
Staying ahead of your financial responsibilities isn’t just about ticking boxes—it’s about protecting your cash flow, avoiding penalties, and setting your business up for long-term success. At Sharon's Accounting Service, I help you take the guesswork out of compliance, with expert support across tax, bookkeeping, payroll, superannuation and more.
Need help meeting your obligations this financial year? Get in touch with your local team or book a consultation to see how we can support your goals in FY25–26 and beyond.
Need help meeting your obligations this financial year? Get in touch with your local team or book a consultation to see how we can support your goals in FY25–26 and beyond.
Want to know more about your tax time obligations and due dates
Staying ahead of your financial responsibilities isn’t just about ticking boxes—it’s about protecting your cash flow, avoiding penalties, and setting your business up for long-term success. At Sharon's Accounting Service, I help you take the guesswork out of compliance, with expert support across tax, bookkeeping, payroll, superannuation and more.
Need help meeting your obligations this financial year? Get in touch with your local Carbon team or book a consultation to see how I can support your goals in FY25–26 and beyond.
Staying ahead of your financial responsibilities isn’t just about ticking boxes—it’s about protecting your cash flow, avoiding penalties, and setting your business up for long-term success. At Sharon's Accounting Service, I help you take the guesswork out of compliance, with expert support across tax, bookkeeping, payroll, superannuation and more.
Need help meeting your obligations this financial year? Get in touch with your local Carbon team or book a consultation to see how I can support your goals in FY25–26 and beyond.