Australian ATO Tax Invoice Requirements (Under & Over $1,000 + 47% No-ABN Rule)
Ensure your Australian trade and contractor invoices comply with ATO GST rules—including the 7 mandatory fields for sales under $1,000, the additional buyer-identity rule for invoices of $1,000 or more, and protection against 47% No-ABN PAYG withholding.
Action Checklist
Key Rules & Benchmarks
| Tax Invoice Threshold | Required within 28 days of request for taxable sales over $82.50 (incl. GST) |
| Sales >= $1,000 (Incl. GST) | Must additionally show the Buyer's Name or Buyer's 11-digit ABN |
| Reverse GST Formula (Incl. GST) | GST = Gross Total ÷ 11 • Net Ex-GST = Gross Total - GST |
| No-ABN Withholding Penalty | Payer must withhold 47% PAYG if Supplier omits a valid 11-digit ABN |
MANDATORY ATO TAX INVOICE ELEMENTS: 1. Document Title must clearly state 'Tax Invoice' (or 'Invoice' if not GST-registered) 2. Supplier's Legal/Trading Name and 11-digit Australian Business Number (ABN) 3. Issue Date and Brief Description of Items Supplied (including quantities & unit prices) 4. GST Amount (10% net or 1/11th of gross total) or statement 'Total price includes GST' 5. For Invoices >= $1,000 (incl. GST): Must also display Buyer's Identity or Buyer's ABN.
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Frequently Asked Questions: ATO Tax Invoice & 47% ABN Rule
How do I calculate GST from a GST-inclusive total in Australia?
Divide the GST-inclusive total by 11 to find the 10% GST amount, and multiply the GST amount by 10 (or subtract it from the gross total) to get the net price excluding GST. You can use our Australian GST Calculator at /gst-calculator/au for instant calculations.
What should an Australian sole trader write if they are NOT registered for GST?
If your annual turnover is under $75,000 and you are not registered for GST, title the document 'Invoice' (not 'Tax Invoice'), include your 11-digit ABN, set GST to 0%, and display the note 'No GST has been charged'.