Writing a dispute letter is the most efficient way of correcting errors that occurs on your credit records or history. It is necessary to gather all important documents associated to the issue you are trying to dispute. If you are in the process of sending a second dispute letter, make sure that you keep the response (if any snail mail or e-mail) and see what point does the company is pointing
. out. If things still does not add up feel free to check this site for a sample on how to write a dispute letter http://www.debthelp.com/kc/48-sample-credit-report-dispute-letter.html.