Subject: Friendly Reminder: Overdue Payment Notice for [Company Name] Dear [Customer Name], We hope this letter finds you well. We wanted to touch base regarding an outstanding payment that was due on [Due Date]. As of today, we have not received the payment for the invoice [Invoice Number] amounting to [Total Amount Due]. At [Company Name], we greatly value our relationship with our customers, and we understand that sometimes delays in payment can occur unintentionally. We kindly request your prompt attention to settle the outstanding balance to avoid any further inconvenience. To make the payment process simple and efficient, we have outlined the details below: Invoice Number: [Invoice Number] Invoice Date: [Invoice Date] Total Amount Due: [Total Amount Due] Payment Due Date: [Due Date] Current Outstanding Balance: [Outstanding Balance] Payment Methods: 1. Online Payment: You can securely make the payment through our website at [Payment Portal Link]. Please ensure to select the corresponding invoice number for accurate processing. 2. Bank Transfer: You can also make a direct bank transfer to the account details mentioned below: Bank Name: [Bank Name] Account Name: [Account Name] Account Number: [Account Number] Routing Number: [Routing Number] Please include the invoice number [Invoice Number] as a reference in the transaction description to ensure proper allocation of the payment. In case you have already settled this payment, kindly disregard this letter. However, if you believe this to be an error or have any queries regarding the outstanding balance, we encourage you to contact our accounts receivable department at [Contact Number] or email us at [Email Address]. Our team will be glad to assist you in resolving any concerns or clarifying any details. We genuinely appreciate your cooperation and prompt attention to this matter. Maintaining a healthy business relationship is of utmost importance to [Company Name], and we look forward to your continued support. Thank you for your attention, and we anticipate receiving your payment soon. Warm regards, [Your Name] [Your Title/Position] [Company Name] [Contact Information]