1. In the sample letter, fill in your personal information. Use this sample letter to dispute incorrect or inaccurate information that a business supplied to credit bureaus.How to write a credit dispute letter. Consumers can craft a disputing letter on their own or select from a credit dispute letter template. Download our sample letter and instructions to submit a dispute with an information furnisher. Download our sample letter and instructions to submit a dispute. Fill out a credit dispute letter and include supporting documents. Collin Credit students use Microsoft Outlook for email. Get your free copy here! Filling a Small Claims. JP-Local-Rules.