Subject: Important Update — Resolution not Enclosed in Initial Sample Letter Dear [Recipient's Name], I hope this letter finds you in good health and spirits. I am writing to provide you with a crucial update regarding the resolution that was not enclosed in the initial sample letter pertaining to the matter at hand. As you may recall, our previous communication outlined the details of [mention the initial subject, e.g., a pending legal issue, a customer complaint, an outstanding payment, etc.]. However, due to an unintentional oversight on our part, crucial documentation related to the resolution was inadvertently left out. We sincerely apologize for any inconvenience this may have caused. To rectify this situation promptly, we have enclosed the missing resolution in this letter. Please find attached the necessary paperwork [or specify the method of delivering the resolution, e.g., as an attachment, via email, through postal mail, etc.]. We assure you that this resolution provides a comprehensive and satisfactory solution to address the matter in question. Moreover, we would like to take this opportunity to apologize for any confusion or delays arising from our error. At [company name], we prioritize effective communication and strive to ensure that our processes are seamless and error-free. Rest assured, we have taken appropriate measures to prevent such oversights from occurring in the future. We kindly request you to thoroughly review the enclosed resolution and bring any further concerns or questions to our attention. Our team is readily available to assist you and provide any clarification you may require. Once again, we sincerely apologize for any inconvenience caused by the initial oversight in our sample letter. We appreciate your understanding and patience in this matter. Thank you for your continued support and cooperation. We are committed to resolving this issue promptly and to your satisfaction. Best regards, [Your Name] [Your Title] [Company Name] [Contact Information]