This letter is a response to a debt listed on a credit report disputing the debt and requesting validation. It demands proof of the alleged debt, including any contract bearing the recipient's signature, as well as proof of authority to collect. The letter lists six specific requests for information and gives the collector 30 days to respond in writing, signed, or the debt will be considered invalid and removed from all credit reports. It serves as a dispute of the debt validity under the Fair Debt Collection Practices Act.