[Your Name] [Your Address] [City, State, Zip] [Email Address] [Phone Number] [Date] [Customer Name] [Customer Address] [City, State, Zip] Subject: Notice of Past Due Account (Account Number: [Account Number]) Dear [Customer Name], We hope this letter finds you well. This communication serves as an official notice regarding the past-due status of your account [Account Number] with [Company Name]. We regret to inform you that your account has gone delinquent by [Number of Days] days. It is important to promptly address this matter, as failure to do so may result in further escalations. At [Company Name], we have always strived to provide exceptional services to our valued customers. However, we noticed that the payment for the services provided on [Date/Invoice Number] remains outstanding. We kindly request you to remit the total overdue amount of [Total Amount Due] within [Number of Days] days from the date of this letter. You may find the detailed breakdown of the charges enclosed with this letter. We understand that financial constraints can sometimes impact timely payments. If you are facing difficulties, we urge you to contact our customer service department at [Customer Service Contact Details]. We are committed to exploring mutually beneficial solutions and creating a payment plan that suits your circumstances. To avoid any further inconvenience or collection proceedings, we strongly advise you to immediately address this matter by submitting your payment. The easiest and most convenient way to do so is through our online payment portal available at [Payment Portal Website]. Alternatively, you can utilize the attached payment slip and mail your payment to the address mentioned below: [Company Name] [Address] [City, State, Zip] Please ensure that you include your account number [Account Number] on the check or money order to facilitate timely application to your account. We value your patronage and hope that this letter serves as a gentle reminder to settle your outstanding balance. Failure to resolve this matter within the specified timeframe may compel us to assess additional late fees, penalties, or initiate further collection actions, including reporting the delinquent account to credit bureaus. Thank you for your prompt attention to this matter. Should you have any questions or require further assistance in resolving this issue, please do not hesitate to contact our customer service department at [Customer Service Contact Details]. Our representatives are available to assist you during business hours. We appreciate your cooperation and look forward to resolving this matter amicably. Sincerely, [Your Name] [Your Title/Position] [Company Name] Enclosure: — Detailed Statement of Services with Breakdown of Charges — Payment Slip