Final Notice Letter (Overdue Invoice)

This Final Notice Letter is used to formally request a customer to make a payment on an outstanding debt. 

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Last updated October 24, 2025

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Suitable for Australia

Final Notice Letter (Overdue Invoice)

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What is a final notice letter (overdue invoice)?

A final notice letter is a formal written request sent to a customer who has not paid an invoice by the due date, urging them to pay the outstanding amount.
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When should you use a final notice letter (overdue invoice)?

Use this letter after previous reminders or collection attempts have failed and you want to formally request payment before considering further action.
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What should be in a final notice letter (overdue invoice)?

It should include the invoice date, invoice number, amount owed, days overdue, and a request for the debtor to advise when payment will be made.
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Frequently asked questions

What are the main benefits of sending a final notice letter?

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Is this document legally binding?

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Can this letter be used in all Australian states and territories?

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What information do I need to prepare this letter?

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What protections does this letter offer me as a creditor?

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Does this letter specify what will happen if payment is not made?

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What should I do after sending the final notice letter?

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View Sample Final Notice Letter (Overdue Invoice)

Final Notice Letter (Overdue Invoice)
risk level indicator at Low level

The Legal Risk Score of a Final Notice Letter (Overdue Invoice) Template is Low

Our legal team have marked this document as low risk considering:

  • Nothing in this document is legally binding.
  • It can be one of multiple strategies used against the offending party.
  • The document does not specify what the further action involves if the payment is not made, leaving the recipient unsure about the potential consequences of non-payment.

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Have customers who haven't paid an invoice? Find out in this article how you can enforce a payment in New South Wales (NSW).

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