How to use the template: 1. In the sample letter, fill in your personal information.You just need to enter your details. Download our sample letter and instructions to submit a dispute with a credit reporting company. 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. Limited Liability Company. Use this sample letter to dispute mistakes on your credit report. When you write a goodwill letter, you're asking a creditor or collection agency to remove a negative mark on your credit reports. Bank statements must have a notation of the type of currency on the document. Example: This statement is in Euros.