Subject: Important Notice regarding Late Payment for [Account/Invoice/Payment] — [Company Name] [Your Name] [Your Address] [City, State, ZIP] [Email Address] [Phone Number] [Date] [Recipient's Name] [Recipient's Position] [Company Name] [Company Address] [City, State, ZIP] Dear [Recipient's Name], I hope this letter finds you in good health. I am writing to bring to your attention an area of concern regarding the payment for [reference account/invoice/payment] that is currently late with respect to our agreed-upon terms mentioned in our previous correspondence. As per the records maintained by our financial department, we have noticed that the payment for the aforementioned account/invoice/payment has not been received by our due date of [due date]. This delay is causing inconvenience and discrepancies in our financial obligations, which hinders our ability to continue providing seamless services to our clientele. Considering the professional relationship we have developed over the years, we believe that this oversight may have occurred unintentionally. However, it is vital to address the issue promptly in order to maintain the harmonious business relationship we have worked so hard to build. The outstanding amount for the unpaid payment currently stands at [amount]. We kindly request your immediate attention to this matter and ask that you submit the payment without any further delay. This will allow us to rectify our financial records and prevent any unnecessary complications. Kindly find enclosed a copy of the invoice or a breakdown of the payment with a reference number of [reference number] for your convenience. It contains all relevant information regarding the account, including the due date and accepted payment methods. In case the payment has already been made and not yet reflected in our records, please provide us with the necessary proof or a transaction ID. We will gladly update our records accordingly to avoid any confusion. If, however, you are facing any difficulties or encountering financial constraints that have caused this delay, we encourage you to reach out to us at your earliest convenience. We are open to discussing possible alternatives or setting up a mutually agreed repayment plan that ensures compliance with the agreed-upon terms. Be aware that prolonged delays or repeated occurrences of late payments may result in restrictive measures, such as imposing late payment penalties or considering legal action to recover the outstanding amount. Our utmost desire is to resolve this matter amicably, avoiding any negative consequences for either party involved. Please do not hesitate to contact our accounts department at [accounting contact information] if you have any queries or concerns regarding this matter. We would appreciate your prompt response within [specified time frame], enabling us to effectively manage our financial affairs and maintain the continued success of our business partnership. We value the business relationship established with [Company Name] and are confident that this late payment issue can be resolved swiftly. Furthermore, we appreciate your immediate attention to this matter. Thank you for your understanding and cooperation. We look forward to receiving your payment and continued collaboration for years to come. Warm regards, [Your Name] [Your Position] [Company Name] [Contact Information] --- Keywords: Massachusetts, Sample Letter, Notification, Late Payment, Account, Invoice, Payment, Due Date, Reference Number, Financial Department, Repeated Occurrences, Legal Action, Late Payment Penalties, Business Partnership, Accounts Department.