This guide includes forms and instructions for a letter and affidavit to request that the court register an outofstate custody order in Texas. 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.As a free service to the members of the Family Law Section, Forms 211, 212, 215, 216, and 217 are available to download. Maximize Your Membership. The State Bar of Texas offers services to help Texas attorneys with their law practices. Forms and applications for general courts, protection orders and garnishment. O'Connor's Texas Family Law Forms. O'Connor's Texas Family Law Handbook. As the official charitable partner of the National Park Service, we provide resources for the national parks. Support this uniquely American idea.