Have you recently settled a debt and are searching for a paid in full letter? Good news, we've got two free sample form letters below.What information should be included in my paidinfull letter? If you ever need to prove that a debt is fully paid and can no longer be collected, then a paidinfull letter can be your best friend. The Federal Trade Commission (FTC), the nation's consumer protection agency, is warning consumers to be on the alert for scam artists posing as debt collectors. Writing a debt collection letter can be difficult. What should you say? After being served, I settled the debt with the collector. As such, we would appreciate you making this payment as soon as possible. Keith Rupert Murdoch AC is an Australian-born American business magnate, investor, and media proprietor.