The Australian Taxation Office (ATO) published an update on 01/09/2026 confirming the 2026-27 Budget measure on loss refundability for eligible small start-up companies. This development is set to influence tax calculations and potential refunds for income years beginning 01/07/2028, with the first claims appearing in 2028-29 returns. For founders, side-hustle operators and small business owners relying on myTax or online tax calculators, understanding these changes now supports better forward planning.
Understanding the New Loss Refundability Measure
Under the proposed rules, companies with aggregated turnover under $10 million may claim a refundable tax offset for tax losses incurred in their first two years of operation. The offset is capped at the amount of Pay As You Go (PAYG) withholding and Fringe Benefits Tax (FBT) payments made during the year. This applies only to income years commencing on or after 01/07/2028.
The measure differs from traditional loss carry-forward rules by providing an immediate cash benefit rather than deferring the deduction. Eligible entities must meet strict timing and turnover criteria, and the refund cannot exceed taxes already paid through withholding mechanisms.
Why This Is Newsworthy for Australians in 2026
The ATO's September 2026 publication brings fresh attention to a Budget announcement that was previously in draft form. With cost-of-living pressures continuing and many Australians turning to side businesses or start-ups, the timing encourages early modelling of 2028-29 scenarios.
Users of digital tax tools will need to adjust inputs for projected losses, refundable offsets and payment caps. This is particularly relevant as the $1,000 standard deduction approaches implementation, potentially interacting with new offset calculations.
Practical Impacts on Tax Estimates and Cash-Flow Modelling
- Refund projections: Traditional carry-forward losses provide no immediate refund, while the new offset could deliver cash in the 2028-29 year.
- Calculator accuracy: Online tools must incorporate the cap based on PAYG and FBT amounts to avoid over-estimating refunds.
- Interactions: The offset may reduce taxable income before the standard deduction applies, altering overall liability.
- Risks: Over-estimating eligibility or under-tracking turnover could lead to incorrect projections or future adjustments.
Accurate modelling helps small business owners plan for improved cash flow during the critical early years.
Sample Calculations: Traditional vs New Rules
Consider two hypothetical start-up companies with $50,000 in tax losses and $8,000 in PAYG withholding payments.
| Scenario | Traditional Carry-Forward | New Refundable Offset | Net Cash Benefit |
|---|---|---|---|
| Company A (Eligible) | $0 immediate refund | $8,000 refund (capped) | +$8,000 |
| Company B (Over turnover) | $0 immediate refund | $0 | $0 |
These examples illustrate how the cap limits the benefit to taxes already paid, while still providing a meaningful boost compared to deferral.
Step-by-Step Guidance for Updating Tax Calculator Inputs
- Verify aggregated turnover remains below $10 million for the relevant years.
- Input projected tax losses only for the first two income years from 01/07/2028.
- Enter PAYG withholding and FBT amounts to establish the refund cap.
- Adjust for any existing offsets to prevent double-counting.
- Run scenarios both with and without the new measure to compare outcomes.
- Review results against myTax preview tools once updated guidance appears.
Regularly monitor ATO announcements for any legislative changes.
Tracking Eligibility and Key Warnings
Eligibility requires careful record-keeping of turnover, incorporation date and payment history. The measure is not yet law and remains subject to parliamentary passage. Over-reliance on draft rules could result in revised expectations.
Small business owners should consult qualified tax professionals for personalised advice. Professional guidance ensures compliance with all ATO requirements and avoids penalties from incorrect claims.
Broader Relevance to Innovation and Cost-of-Living Pressures
This policy aims to support entrepreneurship by improving early-stage cash flow, differing from previous deduction-focused reforms. It may encourage more Australians to launch ventures despite economic challenges, fostering innovation without immediate tax burdens.
Unlike broad tax cuts, the targeted refundability directly addresses the unique position of start-ups that often generate losses initially.
Conclusion and Next Steps
Australia's proposed start-up loss refundability rules represent a significant shift in how early losses translate to tax outcomes from 2028-29. By preparing calculator inputs and modelling scenarios now, founders and small operators can position themselves for potential benefits.
Test updated projections in your preferred tax calculator today and subscribe for ongoing updates on related reforms including research and development incentives or PAYG adjustments. Stay informed through official ATO channels to ensure your planning remains accurate and compliant.