ATO Tax Deadlines
ATO Tax Deadlines
The lodgement and payment dates a self-employed tradie can't afford to miss.
Income tax return
| Self-lodge | 31 October |
| Via tax agent — prior-year return outstanding | 31 October |
| Via tax agent — tax payable $20,000 or more | 31 March |
| Via tax agent — most individuals / trusts | 15 May |
BAS / GST (quarterly)
| Q1 (Jul–Sep) | 28 October |
| Q2 (Oct–Dec) | 28 February |
| Q3 (Jan–Mar) | 28 April |
| Q4 (Apr–Jun) | 28 July |
Super Guarantee (to 30 Jun 2026)
| Quarterly SG due | 28 Oct · 28 Jan · 28 Apr · 28 Jul |
| From 1 July 2026 | Payday Super — paid each payday |
If you employ or pay contractors
| STP finalisation | 14 July |
| TPAR — taxable payments annual report | 28 August |
Guidance only — not financial advice. SG quarter dates differ from BAS — SG Q2 is 28 January, not 28 February. Verify current dates at ato.gov.au.
Sources: ATO — Key lodgment dates · ATO — BAS due dates · ATO — TPAR · ATO — Single Touch Payroll
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