[Your Name] [Your Address] [City, State, ZIP] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Address] [City, State, ZIP] Subject: Notification of Late Payment — [Invoice/Payment] for [Service/Product] Dear [Recipient's Name], I hope this letter finds you well. I am writing to notify you about a significant matter regarding the late payment of the outstanding [invoice/payment] for the [service/product] provided by [Your Company Name]. As per our records, the payment for the aforementioned [invoice/payment] was due on [due date] in accordance with our agreed-upon terms and conditions. Unfortunately, we have not received the payment within the agreed-upon timeframe, creating a concern for us. We understand that unforeseen circumstances or oversight may have caused this delay. However, it is crucial to maintain a healthy payment cycle to ensure smooth operations for both parties involved. A prompt resolution is essential to avoid any adverse impact on our partnership. Attached with this letter, you will find a detailed copy of the invoice (or payment reminder) for your reference. The total amount due is [dollar amount]. We kindly request you to process the payment at the earliest convenience to avoid any further inconvenience. In light of this situation, we seek your cooperation and understanding, and we are open to discussing any concerns you may have. Should there be any issues related to the invoice or your ability to process the payment, please feel free to contact our dedicated accounts receivable department at [phone number] or via email at [email address]. We genuinely value our business relationship with you and aim to resolve this matter amicably. We consider this late payment an exception rather than a typical occurrence. Therefore, we request your immediate attention to this matter to facilitate a quick resolution. To ensure accurate tracking of payments, kindly provide confirmation once the payment has been successfully processed. It is our goal to update our records promptly to reflect the payment receipt. Thank you for your attention to this matter, and we anticipate a favorable response from your end. We truly appreciate your prompt action in resolving this late payment issue in the soonest possible time. Yours sincerely, [Your Name] [Your Title/Position] [Your Company Name]