How to write an invoice in Australia
Lufu · https://lufu.co/resources/how-to-write-an-invoice-australia
Published 2026-09-21
Updated 2026-11-01

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A useful invoice tells your client what the work was, what they owe, when it is due and how to pay. Your GST registration determines whether you need an invoice or a tax invoice.

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Review period: ____________________

[ ] Correct invoice heading for my GST registration and sale
[ ] Business and client details checked
[ ] Unique number and issue date added
[ ] Work, amounts and currency match the agreement
[ ] GST treatment checked where relevant
[ ] Due date and payment instructions are clear
[ ] Payment details verified and a copy saved