Please choose the appropriate form from the list below. Print and fill out the appropriate form.You may mail the form or bring it in person to the Justice Court, Precinct 4. A character letter to a judge should establish your credibility, paint a full picture of the defendant and be respectful, among other things. In general, Texas has very few official legal forms. The purpose of this site is to provide information from and about the Judicial Branch of the US Government. This guide includes forms and instructions for a letter and affidavit to request that the court register an out-of-state custody order in Texas. This article explains the legal duty to update your address and other personal information with the court and others, and why it is important to do so.