How to use the template: 1. In the sample letter, fill in your personal information.A credit dispute letter includes personal information and enclosures that help credit bureaus investigate mistakes. 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. Goodwill letter template. A goodwill letter is a correspondence that asks creditors to remove negative remarks from your credit reports. You must fill out forms within ten days of a Notice of Levy proving that the money in the bank is exempt.5.