This guide includes forms and instructions for a letter and affidavit to request that the court register an outofstate custody order in Texas. This essential resource for family law lawyers provides over 800 forms covering everything from the first consultation with a client to closing the file.The mission of the Family Law Section is to promote the highest degree of professionalism, education, fellowship, and excellence in the practice of family law. You can either fill the forms out yourself or allow your attorney to complete them for you. Click on Small Claims Forms for a list, description and purpose of each form available on this website. If you are divorcing, the petition will be included in your divorce papers. O'Connor's Texas Family Law Forms. O'Connor's Texas Family Law Handbook. You can also use the local State Bar Association. McMillan Distinguished.