
Do You Need an ABN? The Sole Trader Tax Basics Every Australian Freelancer Should Know
Australian sole traders who invoice without an ABN lose 47% of each payment to mandatory withholding. This guide covers free same-day ABN registration, the $75,000 rolling 12-month GST threshold, quarterly BAS due dates, individual marginal tax rates for 2026-27, deductible super contributions, and the ATO's five-year record-keeping rule.










