How to use the template: 1. In the sample letter, fill in your personal information.Below is a sample letter to help you craft your own letter. Send the letter via certified mail and keep the return receipt for your records. I respectfully request that your offices provide me with competent evidence that I have any legal obligation to pay you. Click here to view a sample letter template. How to use this sample letter: 1. Read the background below. 2. A 609 letter is a credit repair method that requests credit bureaus to remove erroneous negative entries from your credit report. Sample Demand Letters.