Australian Taxation Office (ATO) Invoicing Guide
Ensure your business remains compliant. Read the official guidelines on what makes an invoice legally valid in Australia.
Legal & Tax Disclaimer
The information provided on this page is for general educational and informational purposes only. It does not constitute professional accounting, financial, legal, or tax advice. While we strive to keep this information up to date and correct, tax regulations in Australia change frequently. You should always seek independent, professional advice from a registered tax agent, certified accountant, or the Australian Taxation Office (ATO) regarding your specific business circumstances.
What is a Tax Invoice?
In Australia, a **Tax Invoice** is a document issued by a seller that shows the price of goods or services provided, indicating whether Goods and Services Tax (GST) is included. It is crucial because registered businesses need a valid tax invoice to claim GST credits (also known as input tax credits) for business purchases of more than $82.50 (including GST).
If you are **not** registered for GST, your invoice **must not** show a GST component and **must not** be titled "Tax Invoice". Instead, it should simply be labeled "Invoice" or "Bill of Sale".
ATO Mandatory Information Checklist
According to the ATO, tax invoices for taxable sales of **less than $1,000** must include seven key pieces of information:
- 1. Document Label: Must contain the title "Tax Invoice" clearly at the top (if registered for GST).
- 2. Seller Identity: The seller's business name or trading name must be clearly displayed.
- 3. Seller ABN: The seller's 11-digit Australian Business Number (ABN) must be visible.
- 4. Issue Date: The exact date the tax invoice was generated and issued to the client.
- 5. Item Description: A brief description of the goods or services sold, quantity, and unit prices.
- 6. GST Amount: The total GST payable or a clear statement like "Total price includes GST".
- 7. Buyer Identity (Over $1000): For invoices over $1,000, you must also include the buyer's business name, address, or ABN.
GST Rules & Thresholds
GST is a broad-based tax of 10% on most goods, services, and other items sold or consumed in Australia. You must register for GST if your business has an annual gross GST turnover of **$75,000 or more** ($150,000 or more for non-profit organizations), or if you provide taxi or ride-sourcing services (like Uber) regardless of your turnover.
If your turnover is below $75,000, registering is optional. However, if you do not register, you cannot charge GST on your invoices and you cannot claim input tax credits for purchases you make for your business.
Invoice Numbering
The ATO requires that every invoice issued has a unique identifying number. We recommend using a sequential numbering system (e.g. INV-0001, INV-0002) with a unique prefix for your business profile. This prevents duplicate numbers, helps track unpaid bills, and is essential for clean auditing.
Professional Formatting
Always display your BSB, Account Number, Bank Name, and PayID details clearly. Setting a default payment term (like 7 days, 14 days, or 30 days) and adding polite payment notes (e.g., "Thank you for your business!") are standard practices that build professional trust.
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