By Ben Wong, FCA, CTA — Director (Tax) Reviewed by Peter Economos, CA — Managing Director Last Reviewed: April 2026
The $20,000 instant asset write-off allows eligible Australian small businesses to immediately deduct the cost of qualifying assets between 1 July 2025 and 30 June 2026. The threshold applies per asset, not per invoice, and only to businesses with aggregated turnover under $10 million.
The asset must be installed and ready for use by 30 June 2026, not merely ordered or paid for. The actual tax saving equals the deduction multiplied by the company’s applicable tax rate, not the deduction itself. A $150,000 passenger vehicle can produce as little as $2,600 in first-year tax savings once the car cost limit applies.
The decision to use the instant asset write-off depends on the business’s profit position, borrowing intentions, and broader EOFY strategy.
How the $20,000 Instant Asset Write-Off Works in 2025-26
The instant asset write-off allows eligible small businesses to immediately deduct the full cost of qualifying assets costing less than $20,000, where the asset is first used or installed ready for use between 1 July 2025 and 30 June 2026.
The concession sits within the simplified depreciation rules under Division 328 of the ITAA 1997 and was extended for a further 12 months under the Treasury Laws Amendment Act 2025. Both new and second-hand assets qualify, provided each asset costs less than $20,000.
The “per asset” rule is the most misunderstood element. The threshold applies to each asset individually, not to the total invoice or annual aggregate spend. A business buying three $15,000 machines in May 2026 can deduct all three in full. A business buying a $25,000 machine cannot use the concession at all and must add the full cost to the small business depreciation pool.
From 1 July 2026, the threshold reverts to $1,000. Capital purchase decisions that cross the FY2025-26 boundary need to be modelled now, not in late June.
Who Qualifies for the Instant Asset Write-Off
Only Australian businesses with an aggregated annual turnover under $10 million qualify for the $20,000 instant asset write-off in the 2025-26 income year.
Aggregated turnover is broader than the headline turnover of the trading entity. It includes the business itself, plus any connected entities and affiliates. A $4 million trading company with two connected family entities, each turning over $4 million, is over the threshold and ineligible, even though no single entity is “small” in isolation. This is the trap that catches family-owned business groups every year.
Eligible businesses must also apply the simplified depreciation rules to claim the concession. Businesses with aggregated turnover between $10 million and $50 million cannot access the instant asset write-off at all in FY2025-26 and must use standard depreciation under Division 40.
Many founders assume they qualify based on their primary entity’s turnover. The correct test is the aggregated turnover and small business eligibility tests applied across all connected and affiliated entities.
The Car Cost Limit Trap: Why a $150,000 Car Saves Only $2,600 in Tax
The car cost limit caps the deductible cost of a passenger vehicle at $69,674 for the 2024-25 income year, regardless of the actual purchase price.
The car cost limit applies to passenger vehicles designed to carry fewer than 9 people and a load less than one tonne. It does not apply to one-tonne utes, vans, or vehicles modified for disability use. For most luxury or near-luxury passenger cars, the limit is the binding constraint, not the IAWO threshold.
Worked example: the $150,000 luxury vehicle
A small business with $8 million turnover purchases a $150,000 passenger vehicle for 100% business use, delivered and installed ready for use on 1 June 2026.
Step | Calculation | Result |
Vehicle cost | $150,000 | $150,000 |
Car cost limit applies | Yes | $69,674 |
Above $20,000 IAWO threshold | Yes | IAWO unavailable |
Treatment | Small business pool at the car cost limit | $69,674 added to the pool |
First-year depreciation at 15% | $69,674 × 15% | $10,451 |
Tax saving at 25% company rate | $10,451 × 25% | $2,613 |
The business spent $150,000 and reduced its tax bill by approximately $2,600 in year one. The remaining $80,326 of the purchase price is non-deductible under any provision, ever. This is the gap between what tax-driven car purchases promise and what they deliver.
The same vehicle as a one-tonne ute (above the car cost limit’s payload exclusion) would be deducted under different rules entirely. Vehicle classification matters more than vehicle price.
The "Installed Ready for Use" Rule Before 30 June 2026
The instant asset write-off applies only when the asset is installed and ready for use in the business by 30 June 2026, not when it is ordered, paid for, or delivered.
“Ready for use” means the asset must be capable of being used for its intended business purpose. A machine in a shipping container at the docks on 30 June is not installed and ready for use. A custom-fitted vehicle awaiting registration is not installed and ready for use. A software-dependent system awaiting commissioning is not installed and ready for use.
The compliance risk is concentrated in late-June purchases. Imported equipment, custom machinery, fitted commercial vehicles, and any asset requiring third-party installation all carry timing risk. The ATO can request evidence of the install or first-use date during a review, and the burden of proof sits with the business.
For business owners weighing capital purchases against other EOFY actions, the timing decision sits inside a broader assessment. We covered the underlying logic in reviewing your tax position before 30 June with a tax planning framework.
How to Calculate Your Actual Tax Saving
The actual tax saving from the instant asset write-off equals the deduction amount multiplied by the business’s applicable tax rate, not the deduction amount itself.
This is the central misunderstanding behind most tax-driven asset purchases. A $19,000 deduction does not save $19,000 in tax. It saves the deduction multiplied by the tax rate.
Asset cost | Business use | Tax rate | Tax saving | Net cost to business |
$19,000 laptop | 100% | 25% (base rate company) | $4,750 | $14,250 |
$19,000 laptop | 100% | 30% (company) | $5,700 | $13,300 |
$19,000 laptop | 60% | 30% (company) | $3,420 | $15,580 |
A $19,000 spend on equipment the business genuinely needs is a $14,250 net cost in cash flow terms. A $19,000 spend on equipment the business does not need is a $14,250 loss masquerading as a $4,750 saving. The deduction never pays for the asset. The business does.
The Strategic Asset Stacking Approach
Multiple assets each costing less than $20,000 can be written off in full in the same income year, even where the combined total exceeds the threshold.
A manufacturing business purchasing a laser cutter at $18,500, a hand tools set at $4,200, and a laptop at $3,800, all delivered and installed before 30 June 2026, deducts $26,500 in full. Each asset is assessed independently against the threshold.
The strategy works only where each purchase is a genuine business need. Contrived purchase patterns timed purely to access the deduction can be examined under the general anti-avoidance provisions in Part IVA of the ITAA 1936.
For businesses with multiple capital needs spanning the FY2025-26 / FY2026-27 boundary, the threshold reversion to $1,000 from 1 July 2026 changes the calculus. Asset stacking decisions interact with concessional super contribution timing as a parallel EOFY decision and with bad-debt write-offs before year-end.
When the Instant Asset Write-Off Is Wrong Even When Eligible
Eligibility for the instant asset write-off does not automatically mean using it produces the best tax outcome.
A business already in a tax loss gets no immediate benefit from the deduction. The deduction increases the carry-forward loss but produces no current-year cash. A future high-profit year may absorb the deduction more efficiently against income taxed at a higher effective rate.
Banks assess taxable income for borrowing capacity. A business owner planning a property purchase or commercial loan within 12 months may find that stacking $50,000 of asset deductions reduces borrowing capacity by $200,000 to $300,000, depending on the lender’s serviceability calculation.
For businesses considering a sale on a profit multiple, reduced taxable income reduces the sale-year valuation. Deductions that look attractive in isolation can produce a worse net outcome.
Where cash recovery is the priority, writing off uncollectable trade debts before 30 June under s25-35 is often a stronger position than buying assets to chase a deduction.
Key Takeaways: The Instant Asset Write-Off Decision Framework
The instant asset write-off is a deduction timing concession, not a discount on the asset itself.
The threshold mechanic is simple: $20,000 per asset, aggregated turnover under $10 million, installed and ready for use by 30 June 2026. The actual tax saving is the deduction multiplied by your tax rate. The right decision depends on profit position, borrowing intentions, cash flow, and broader EOFY strategy.
The instant asset write-off rewards businesses that need the asset and can afford it. It does not reward businesses that buy assets to chase a deduction. For a structural review of capital purchase decisions before 30 June, strategic tax advisory for capital purchase decisions is the right starting point.
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Disclaimer: We endeavour to make sure the information provided in this guidance is up to date and accurate. Please note, that the information is only intended to be a guide, with a general overview of information. This guidance is not a comprehensive document and should not be interpreted as legal advice or tax advice. The information is general in nature. You should seek the assistance of a professional opinion for any legal and tax issues related to your personal circumstances.