Use when multiple reminders have been ignored and the invoice is 30+ days overdue. This template is short, formal, and implies that further action is coming if payment is not received. Keep it factual — no emotional language, no threats, just a clear statement of where things stand.
Subject
Final notice for invoice [#]
Body
Hi [Client Name],
This is my final follow-up regarding invoice [#] for [project or deliverable], which remains unpaid.
Please submit payment by [date]. If payment is not received by then, I will [pause work / withhold final delivery / begin formal collection steps].
Payment details:
If you have already paid, send over confirmation and I’ll update my records.
Regards, [Your Name]
There's a tool that prevents this whole sequence: FileDue locks files until the client pays.
Stop chasing invoices →Payment
Use when a friendly reminder was ignored and you need a clearer payment deadline.
Payment
Use before work starts when you need a deposit to confirm scope, timeline, or booking.
Scope
Use before new work begins when you need to communicate updated pricing clearly.