What Is a Tax Invoice in Australia?

In Australia, a tax invoice is an invoice that meets the requirements set by the ATO under the GST Act and is used by buyers to claim a GST input tax credit. Only businesses registered for GST can issue tax invoices. If you're not registered, you issue a standard invoice instead.

An Australian tax invoice must include:

  • The words "Tax Invoice" clearly displayed
  • Your business name and ABN
  • The invoice issue date
  • A description of items or services with quantity and price
  • The GST amount (separately) or "Total price includes GST"
  • The total amount payable
  • For sales of $1,000 or more, the buyer's identity or ABN

GST registration is mandatory when annual turnover reaches $75,000 ($150,000 for non-profits). Once registered, you must issue a tax invoice within 28 days when a customer requests one for a sale over $82.50 (GST inclusive). Keep all tax invoices for five years. InvoiceSonic generates ATO-compliant tax invoices for free, with GST calculated automatically.

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