June 3, 2026·5 min read

Tax Invoice Australia: GST Rules & Free Template

What an Australian tax invoice must show — ABN, GST, and required fields — plus a free way to create one.

If you're registered for GST in Australia, your invoices need to be valid tax invoices. Here's what the ATO expects them to show.

What an Australian tax invoice must include

  • The words “Tax Invoice”.
  • Your business name and ABN.
  • The date of issue.
  • A description of the items sold, with quantities.
  • The GST amount (or a statement that the total includes GST).
  • The total price.
  • The buyer's identity or ABN for sales of A$1,000 or more.
💡 Bill in AUD with GST — use the Australia tax invoice generator and You can create one free with PDF Bill Builder — no signup, download as PDF in seconds.

GST basics

GST in Australia is 10%. You can show it as a separate line or state that the total includes GST. Our tool lets you add the tax and label it clearly.

Always confirm current requirements with the ATO or your accountant — this is general guidance, not tax advice.

Frequently asked questions

What must an Australian tax invoice include?

The words “Tax Invoice”, your ABN, the date, a description of items, the GST amount or a GST-inclusive statement, and the total. Buyer details are needed for sales of A$1,000 or more.

Do I need an ABN to issue a tax invoice?

Yes — a valid tax invoice must show your ABN. Without one, you can issue a regular invoice but not a GST tax invoice.

How much is GST in Australia?

GST is 10%. You can list it separately or state that the total price includes GST.

Create your invoice now — free

Invoices, receipts, and quotations. Add your logo, apply tax, download a PDF in seconds. No signup.

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