| 21 Jan 2025 | December 2024 monthly BAS due |
| 28 Feb 2025 | December 2024 quarterly BAS & PAYG instalment due (Q2) |
| 21 Mar 2025 | February 2025 monthly BAS due |
| 28 Apr 2025 | March 2025 quarterly BAS & PAYG instalment due (Q3) |
| 21 May 2025 | April 2025 monthly BAS due |
| 30 Jun 2025 | Superannuation contributions for Q4 due |
| 21 Jul 2025 | June 2025 monthly BAS due |
| 28 Jul 2025 | June 2025 quarterly BAS & PAYG instalment due (Q4) |
| 14 Aug 2025 | PAYG withholding annual report due (if not reported via STP) |
| 21 Aug 2025 | July 2025 monthly BAS due |
| 21 Sep 2025 | August 2025 monthly BAS due |
| 28 Oct 2025 | September 2025 quarterly BAS & PAYG instalment due (Q1) |
| 31 Oct 2025 | Individual, partnership, and trust income tax returns due |
| 21 Nov 2025 | October 2025 monthly BAS due |
| 21 Dec 2025 | November 2025 monthly BAS due |
