Description Send this payment request letter template when a client's account is overdue. The letter reminds the client of the credit agreement and requests payment by a specified date to avoid collection action. User [Company Name] [Street Address] [City, ST ZIP Code] [Date] [Recipient Name] [Street Address] [City, ST ZIP Code] Dear [Recipient Name] : Is there some reason you have not paid your bill of $ [amount] ? Your signed credit agreement states that you agree to pay this bill in [number of payments] installments. Your [payment number] payment is now overdue by [number of days] days. Please remit payment of $ [amount] by [date] . If you have any questions or concerns regarding this bill, please contact me at [phone number] . Failure to send the full amount by [date] , may mean that your account is turned over to a collection agency. Your prompt attention is required to resolve this issue. Sincerely, User [Title]