How to use the template: 1. In the sample letter, fill in your personal information.Get your free copy here! Use this free, customizable template to effortlessly manage credit applications and foster smoother financial transactions for your business. See a sample credit dispute letter below. An explanation letter request is no cause for panic. The Franchise Tax Board will send a notice or letter to personal taxpayers and business entities for issues that may include but not limited to: How to fill out the Sample Letter of Credit Template for Banks and Clients? Office closure Our Los Angeles office is currently closed. Please use the Account ID and Invoice Number to complete the payment transaction.