1. In the sample letter, fill in your personal information. Here is a sample of successful dispute letter I've used in the past for clients.In this guide, we explain everything you need to know about dispute letters and provide a template to help you draft your own. It is essential to have a detailed credit dispute letter template to inform the bureau of the discrepancies and have it make modifications. Formally disputing an error involves writing a formal dispute letter to the creditor as well as the appropriate credit bureau reporting the inaccuracy. This sample letter explaining credit problems will help you focus your efforts when appealing to a property manager for an apartment. Get your free copy here! A demand letter is an official notice requesting money, possession of assets, or action on a legal matter. This sample letter explaining credit problems will help you focus your efforts when appealing to a property manager for an apartment. If in agreement, the payor can provide payment immediately.