[Your Name] [Your Address] [City, State, ZIP Code] [Email Address] [Phone Number] [Date] [Opposing Attorney's Name] [Opposing Attorney's Firm Name] [Address] [City, State, ZIP Code] Dear [Opposing Attorney's Name], RE: PAYMENT DUE — [CASE NAME/NUMBER] I hope this letter finds you in good health. I am writing to address the outstanding payment that remains to be received from your end in relation to the [CASE NAME/NUMBER]. As per the agreed upon terms and the court order, there is an outstanding balance of [EX, XXX.XX] with a due date of [Payment Due Date]. Despite several reminders and attempts to discuss this matter, it appears that the payment has been overlooked or delayed. As opposing attorneys, it is essential that we uphold professionalism and ensure timely compliance with all aspects of the case, including financial obligations. The payment mentioned above is for the following services rendered related to the [CASE NAME/NUMBER]: 1. Legal Consultation and Advice: [Provide a brief summary of the legal consultations and advice provided to the opposing party.] 2. Legal Research and Case Preparation: [Describe the efforts made to conduct legal research and prepare the case for trial.] 3. Document Drafting and Filing: [Highlight specific documents drafted and filed during the course of the case.] 4. Court Representation: [Detail the appearances made in court on behalf of the client.] It is crucial that we resolve this matter amicably and promptly. I kindly request that you remit the outstanding payment of [EX, XXX.XX] within the next [number of days] from the date of this letter. Failure to fulfill this obligation may result in the need for further legal action, which could lead to additional costs for your client. Please find enclosed a copy of the invoice indicating the outstanding balance, along with the details of the provided services. For your convenience, I have attached an electronic copy of the invoice as well. Kindly review the invoice and process the payment at your earliest convenience. To expedite the resolution of this matter, please notify me via email or phone as soon as you have arranged for the payment transfer. It is pivotal that we keep all lines of communication open to ensure swift action and facilitate a smooth conclusion to this financial matter. I trust that this matter will be addressed promptly, allowing us to proceed with our professional responsibilities efficiently. Thank you for your attention to this urgent issue. Should you have any questions or require additional information, please do not hesitate to contact me. I look forward to your prompt response. Yours sincerely, [Your Name] [Your Law Firm Name] [Enclosures: Invoice] [Attachments: Invoice]