1. In the sample letter, fill in your personal information. This letter can be used to ask collection agencies to provide you with information concerning their basis for claiming that you owe a debt.A debt validation letter is a written communication that a consumer sends to a debt collector or creditor to request verification and validation of a debt. I respectfully request that your offices provide me with competent evidence that I have any legal obligation to pay you. Learn how to write an effective collection dispute letter with our guide and templates. Below is a sample letter to help you craft your own letter. Send the letter via certified mail and keep the return receipt for your records. Get your free copy here! On this page, find information and forms related to Georgia tax credits that can be used to offset your tax liability. Letters Center for Employers.