A demand letter is a letter you can send to try to resolve a dispute before going to court. Demand letters are often sent in cases where someone owes money.This blog post aims to demystify the process and provide a clear guide on how to get a cash bond refund in Dallas County. Do I need to complete a refund application? Fill-out and send in form and supporting documentation establishing your right to receive the property. Refund the remainder of my account to me. Most financial aid programs are disbursed to your student account in the Bursar's Office. The Bursar will apply the funds to pay UT Dallas charges first. First you write your lawyer a brief letter requesting a refund and an accounting of any services and expenses he believes he deserves to be paid for. If you have any questions, please contact the cash bond refund desk during regular business hours at 214-653-5962.