Dear [Customer's Name], We hope this letter finds you well. We are writing to remind you about your overdue payment for the outstanding balance on your account with [Your Company Name]. As a valued customer, we understand that there might be unforeseen circumstances that could lead to delays in payments. However, it is important for us to receive your payment as soon as possible to ensure the smooth operation of our business and to continue providing you with high-quality products/services. According to our records, the payment for the invoice [Invoice Number] was due on [Due Date]. However, we have not yet received the payment from your end. We kindly request you to remit the outstanding amount of [Amount Due] at your earliest convenience. Please find attached a copy of the invoice for your reference. To facilitate the payment process, we have provided the details of our bank account below: — Bank Name: [Bank Name— - Account Holder: [Your Company Name] — Account Number: [Account Number— - Routing Number: [Routing Number] If you have already made the payment, we apologize for any inconvenience caused. However, if you haven't, we kindly request you to make the payment within the next [Number of Days] days to avoid any further action from our side. In case you are facing financial difficulties or need any assistance regarding the payment, we are more than willing to discuss possible alternative payment arrangements. Please do not hesitate to contact our customer service department at [Customer Service Contact Information]. We appreciate your prompt attention to this matter. Your payment is crucial in maintaining our business operations and providing you with the best possible products/services. We value your continued support and look forward to resolving this matter amicably. Thank you for your cooperation. Sincerely, [Your Name] [Your Title/Position] [Your Company Name] [Your Contact Information]