The letter should be polite, concise, and professional, emphasizing personal growth and the benefits of expungement. I am writing to request that I be allowed to file a petition for expungement of my criminal record before the required waiting period.Submit the Expunction or Non-Disclosure Petition (lead document), proposed order, and any supporting documents as one document under New Filing. I am looking for an example letter to send to a judge to help my sister in law who is 22, to sponge a DUI she received. To begin the process for expunction of records, one must first file a petition in district court. Many forms in Texas are not available in a fillintheblank format. Under moderate supervision, performs a variety of legal clerical duties in response to actions of the courts. Learn about the DWI PTD program from The Law Office of Charlie Roadman. Since my arrest, I have focused to do anything in my power to move on from the conviction. Our Oklahoma City lawyer assists with the expungement of non-violent felony convictions.