Master Your Tax Deadlines
Whether you’re a business owner, a sole trader, or an individual taxpayer in Australia, staying on top of your tax and compliance obligations is crucial to avoiding penalties and keeping your financials in order. The Australian Taxation Office (ATO) has a wide range of deadlines throughout the year that you need to be aware of to stay compliant.
To help you stay on track, we’ve created a comprehensive list of important tax and compliance deadlines for both businesses and individuals in Australia.
Use this guide to ensure you never miss a critical due date.
Important Tax & Compliance Deadlines
BY TYPE
| Deadline Type | Dates |
| End of Financial Year (EOFY) | 30 June 2025 |
| BAS Lodgment (Quarterly) | Q1 (July–September): October 28, 2025. Q2 (October–December): January 28, 2026 Q3 (January–March): April 28, 2026 Q4 (April–June): July 28, 2026 |
| Super Guarantee Contributions | Q1 (July–September): October 28, 2025. Q2 (October–December): January 28, 2026 Q3 (January–March): April 28, 2026 Q4 (April–June): July 28, 2026 |
| PAYG Withholding Payment Summaries | 14 July 2025 |
| Taxable Payments Annual Report (TPAR) | 28 August 2025 |
| Income Tax Payment for Companies and Super Funds | 1 December 2025 |
| Fringe Benefits Tax (FBT) Return | 21 May 2026 |
| Monthly PAYG Withholding Payments | 21st of each month |
| GST Monthly Lodgement | 21st of each month |
Important Tax & Compliance Deadlines
BY MONTH
| Date | What is Due |
| 28 January | Quarter 2 (October, November, December) superannuation payments due. |
| 28 February | Quarter 2 (October, November, December) BAS statements due. |
| 28 February | Tax return due for most small companies. |
| 31 March | Start preparing for the upcoming financial year. |
| 28 April | Quarter 3 (January, February, March) superannuation payments due. |
| 28 April | Quarter 3 (January, February, March) BAS statements due. |
| 21 May | Fringe Benefits Tax (FBT) return and payment due. |
| 30 June | End of financial year (EOFY) for individuals, sole traders, partnerships, and companies. Prepare for EOFY tax filings. |
| 14 July | Finalisation declaration for payments to employees due (via Single Touch Payroll). |
| 14 July | PAYG withholding payment summaries for employees due (for payments not reported via STP). |
| 28 July | Quarter 4 (April, May, June) superannuation payments due. |
| 28 July | Quarter 4 (April, May, June) BAS statements due. |
| 14 August | PAYG withholding payment summary annual report due (for payments not reported via STP). |
| 28 August | Taxable Payments Annual Report (TPAR) for payments to contractors due. |
| 30 September | Final date for tax agents to lodge company tax returns (for companies with a 30 June EOFY). |
| 28 October | Quarter 1 (July, August, September) superannuation payments due. |
| 28 October | Quarter 1 (July, August, September) BAS statements due. |
| 31 October | Tax return for sole traders, partnerships, and trusts due (if lodging yourself without a tax agent). |
| 30 November | Last date for lodging company tax returns (for companies with a 30 June EOFY). |
| 15 December | Lodgement of annual PAYG summary reports for employees (if applicable). |
