Friendly reminder before the due date
Use shortly before the agreed deadline to confirm that the invoice reached the right person.
Subject
Invoice [Invoice number] payment reminder — due [Due date]
Email body
Hi [Client name],
A friendly heads-up that invoice [Invoice number] is due on [Due date]. I wanted to make sure it reached the right person and that you have everything needed to process it.
Invoice: [Invoice number]
Amount outstanding: [Amount]
Due date: [Due date]
[Payment instructions]
If payment is already in progress, please disregard this reminder. Otherwise, please let me know whether anything is preventing approval.
Kind regards,
[Your business]