How To Write A Debit Collector A Letter . We have sent you a detailed mail of your account statements. The creditor to whom money is owing and for whom the debt collector works; Debt Collection Letter Mt Home Arts from mthomearts.com The letter may be used to dispute the debt entirely, or to assert that the debt is actually less than has been alleged. The initial due date of the payment. Collection letter templates cover the four types of collection letters you may send to a debtor to request payment on an overdue bill.