Formal Email for Late Payment

Subject: Urgent: Late Payment Notification for [Invoice Number/Account Name]

Dear [Recipient’s Name],

I hope you are doing well. I am writing to bring to your attention the outstanding payment for [Invoice Number/Account Name] amounting to [Amount], which was due on [Due Date]. As of today, we have not received the payment, and we kindly request that the amount be settled at the earliest to avoid any late fees or service disruptions.

If the payment has already been processed, please disregard this email. However, if there are any issues causing the delay, please let us know so we can assist in resolving them. Attached is a copy of the invoice for your reference.

We appreciate your prompt attention to this matter and would be grateful if you could confirm the payment status at your earliest convenience. Should you need any further details, feel free to reach out.

Best regards,
[Your Name]
[Your Position]
[Your Company Name]
[Your Contact Information]