This page includes forms and instructions and answers to frequently asked questions about how to set a contesting final hearing for divorce. You will need to fill out a Civil Case Information Sheet form, which you can get at the courthouse.You must arrange for a constable, sheriff, or private process server to serve the initial divorce papers. This guide includes forms and instructions for a letter and affidavit to request that the court register an outofstate custody order in Texas. The court has placed the most commonly used forms on line as a resource. Please be advised that the forms detailed below are intended to be a guide. I am above the age of eighteen years, and I am fully competent to make this affidavit. To modify a divorce decree in Texas, you must demonstrate a material and substantial change in circumstances. Once the application has been completed, the process must be completed in person at any of our eight locations listed on the Tarrant County website. The Tarrant County Divorce Papers form is a document designed to guide individuals through the process of filing for divorce in Tarrant County, Texas.