Australia tax deadlines 2026.
Every individual and self-employed income tax deadline for Australia in 2026. Plus recurring VAT / GST / sales tax filings. Each deadline links to notes on how to file, what people miss, and matching open tax rules.
Annual deadlines
1 this yearOpen tax rules for Australia
Prepare this return with open-source skills
These skills are in the OpenAccountants repo. Add them to your AI agent and they handle the computation.
Use this skill for any Australian resident's capital gains tax question. Trigger on: "CGT Australia", "capital gains Australia", "sell shares Australia", "50% CGT discount", "cost base Australia", "small business CGT concessions", "SBCGT", "active asset test", "15-year exemption", "retirement exemption CGT", "CGT rollover", "CGT event A1", "main residence exemption", "Australian CGT", "sell my Australian company", "dispose of property Australia". Covers CGT events, cost base, 50% discount, SBCGT concessions, main residence exemption. For non-residents selling Australian assets see au-nonresident-cgt.
Australian sole trader business schedule (Business and Professional Items Schedule for Individuals). Covers assessable business income, allowable deductions, home office (fixed rate 67c/hour or actual), motor vehicle (logbook or cents per km at 85c/km), depreciation (instant asset write-off, simplified pooling, general pooling), prepaid expenses, and trading stock.
Use this skill whenever asked about Australian rental property income and deductions. Trigger on phrases like "rental income Australia", "negative gearing", "rental deductions", "investment property tax", "Division 40", "Division 43", "capital works deduction", "depreciation schedule", "rental property CGT", "rental withholding", "body corporate fees", "strata levy deduction", "repairs vs improvements", "TR 97/23", or any question about completing the rental property schedule in an Australian individual tax return. This skill covers rental income reporting, deductible expenses, depreciation (Div 40 plant and Div 43 building), negative gearing, CGT on disposal, non-resident withholding, and common transaction classifications. ALWAYS read this skill before touching any Australian rental property work.
Use this skill whenever asked about Australian individual income tax for sole traders. Trigger on phrases like "how much tax do I pay in Australia", "Australian tax return", "sole trader tax", "ABN tax", "Medicare levy", "LITO", "PAYG", "tax brackets Australia", "BAS", "instant asset write-off", "home office deduction", "HELP repayment", "HECS debt", "small business income tax offset", "motor vehicle deduction", or any question about filing or computing income tax for an Australian sole trader. Covers 2024-25 Stage 3 tax rates, Medicare levy and surcharge, LITO, business income computation, allowable deductions, depreciation, instant asset write-off, small business income tax offset, HELP/HECS repayments, and final tax computation. ALWAYS read this skill before touching any Australian income tax work.
Use this skill for any non-resident selling Australian assets. Trigger on: "non-resident CGT Australia", "TAP test Australia", "taxable Australian property", "FRCGW", "foreign resident capital gains withholding", "12.5% withholding Australia", "clearance certificate ATO", "sell Australian shares non-resident", "sell Australian property non-resident", "Australian CGT non-resident seller", "no CGT discount non-resident Australia". Covers the TAP test, 30% flat rate, FRCGW withholding, clearance certificates. For Australian residents see au-capital-gains.
Use this skill when preparing, reviewing, or advising on annual financial statements for an Australian company. Trigger on phrases like "ASIC financial report", "AASB", "Australian Accounting Standards", "general purpose financial statements", "special purpose financial statements", "large proprietary company", "small proprietary company", "directors' report Australia", "audit Australia", "Form 388", "Corporations Act 2001 reporting", or any question about preparing and filing statutory accounts under the Corporations Act 2001. Covers AASB frameworks, size thresholds (large/small proprietary), required statements, formats, notes, lodgement deadlines, and audit requirements.
Use this skill whenever asked about Australian cryptocurrency taxation. Trigger on phrases like "crypto tax Australia", "Bitcoin CGT", "ATO crypto", "crypto capital gains", "personal use asset crypto", "staking income", "airdrop tax", "DeFi tax Australia", "crypto cost base", "crypto trading tax", "Coinbase tax", "Swyftx tax", "CoinSpot tax", "NFT tax Australia", or any question about how cryptocurrency is taxed by the ATO. This skill covers CGT treatment of crypto assets, the personal use asset exemption, trading vs investing distinction, staking and airdrop income, DeFi events, record-keeping requirements, and exchange-specific transaction patterns. ALWAYS read this skill before touching any Australian crypto tax work.
Use this skill whenever asked about Australian PAYG Instalments for sole traders. Trigger on phrases like "PAYG instalments", "BAS T1 T2 T7 T9", "instalment rate", "instalment amount", "ATO instalment", "GDP uplift", "GIC", "variation of instalments", or any question about income tax prepayments through the Business Activity Statement. Covers entry/exit thresholds, instalment rate method (T1/T2), instalment amount method (T7), GDP uplift factor, voluntary variation, GIC exposure on under-estimation, and quarterly/annual election. ALWAYS read this skill before touching any PAYG instalment work for Australia.
Prepare a Australia review pack with open Guides
These Guides can help your AI agent draft computations, organize schedules, and prepare a review package. They do not replace a tax preparer or determine your final filing position. The OpenAccountants repo has open Tax Guides, accountant-reviewed where available — run them with your AI agent, then have an accountant review.