When to Use a Proforma Invoice in Australia
Use this guide when you need pre-sale billing structure before the final invoice is issued.
Use a proforma invoice before the live invoice exists
A proforma invoice works when the customer needs a document that looks close to the final bill, but the actual tax invoice is not ready to issue yet. It is common for deposits, approvals, internal purchase processing, or pre-delivery confirmation.
How it differs from a quote
A quote is usually broader sales paperwork. A proforma invoice is closer to the final pricing structure and often includes payment details, invoice-style numbering, and a validity window. Use the quote when you are still pricing the job. Use the proforma when the customer needs pre-sale billing detail.
What comes next
Once the work is approved or delivered, the next step is usually the live tax invoice. If scope still needs to be discussed, move back to a quote or service agreement summary instead of forcing the proforma to do every job.
Next steps
Move into the document that matches the stage of the deal instead of reusing the same file for pricing, approval, and payment.