Dear [Account Holder's Name], We regret to inform you that your account with [Company Name] has been referred to our reputable collection agency, [Collection Agency Name], due to the failure of payment for the outstanding balance of $[Amount]. This amount is overdue by [Number of Days Overdue] days. Despite our numerous attempts to contact you and resolve this matter amicably, we haven't received any response or payment from you. We understand that unforeseen circumstances may have arisen, but it is vital to address this matter promptly to prevent any further actions on our part. As you may be aware, [Collection Agency Name] is a professional and trusted agency that specializes in recovering outstanding debts. Their expertise in the field allows them to employ various legal methods to collect the debt owed. Their intervention is a serious matter, and we strongly advise you to respond to their communication to settle this debt without any legal consequences. Please note that the referral of your account to the collection agency might have detrimental effects on your credit report and credit score. This could impact your ability to acquire credit or obtain favorable terms in the future. Moreover, additional fees and interest charges may be added to the outstanding balance as outlined in our terms and conditions. We strongly urge you to contact [Collection Agency Name] at the provided phone number or address within [Number of Days] days of receiving this letter. It is crucial that you cooperate with them to discuss a feasible repayment plan or to resolve this matter promptly. Prompt action on your part will help avoid any further escalation. If you need further clarification or have any concerns, please do not hesitate to contact our Customer Service Department at [Phone Number] or [Email Address]. We are available to assist you and answer any questions you may have. We sincerely hope this matter can be resolved swiftly and amicably. However, if no action is taken within the specified time frame, we will have no choice but to pursue legal actions to recover the debt, which may involve additional costs and consequences. Thank you for your immediate attention to this matter. Sincerely, [Your Name] [Company Name]