What Must Be on an Invoice in Australia

Use this checklist to avoid missing the fields clients, bookkeepers, and tax records usually depend on.

Core invoice checklist

  • Supplier name or business identity
  • ABN where applicable
  • Invoice issue date
  • Unique invoice number
  • Customer name or business details
  • Description of goods or services
  • Unit price, quantity, subtotal, and total due
  • GST details where GST applies
  • Payment due date and payment instructions

Common mistakes

  • No invoice number
  • GST added even though the business is not registered
  • No due date or payment method
  • Line items too vague for the customer to reconcile
  • No supplier identity beyond a first name

Next step

Build the final version in the Invoice Generator Australia. If you want a starter structure first, use the Tax Invoice Template Australia guide.