What information should be included in my paidinfull letter? Find out whether your creditor must accept less than what you owe if you write "paid in full" on your check.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. Debt collectors and creditors may not use unfair or unconscionable means to collect a debt. 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. The Fair Debt Collection Practices Act (FDCPA) makes it illegal for debt collectors to use abusive, unfair, or deceptive practices when they collect debts. A demand letter is written notice to the debtor that includes a formal demand for payment of the debt. More than threequarters of families experience some form of debt, and a third of those with consumer credit reports have a debt in collection. Our resources, including guidance on the CFPB's Debt Collection Rule, can help you understand how debt collection works and what your rights are.