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. The Statement may be used to file papers with the court clerk without paying a filing fee.This guide tells you how to ask for a custody, visitation, child support, medical support, and dental support order. Everything you need to write a declaration letter to the judge in your custody case: an example, a downloadable template, an outline and tips. The following forms are available for downloading, printing and completing. Cause Number: (Fill in the cause number and court information exactly as it is written on the order you want to change.). Check out our letter for court custody template selection for the very best in unique or custom, handmade pieces from our templates shops. If you've been asked to write to the judge, use our sample character reference letter and fill-in-the-blank template. What's a character reference letter? Military. Military Affidavit.