Use this sample letter to dispute mistakes on your credit report. Download our sample letter and instructions to submit a dispute with a credit reporting company.Limited Liability Company. 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. A debt settlement letter is all you need to negotiate debts with your creditors. It asks you to pay a certain settlement amount to the collection agency. Our guide will teach you how to write a letter of explanation, plus offers a free template to help you write one of your own.