Downloadable forms for eFiling, Divorces, and Suites Affecting the Parent-Child Relationship, Child Support, Hail Claims, Legal, LegalEase, and Passports. You will need to fill out a Civil Case Information Sheet form, which you can get at the courthouse.File an "amended petition" to add something to, or withdraw something from, the original petition. Have an attorney look over your amended petition. Forms are available for custody (SAPCR), divorce, paternity, modification, and name change situations. You must arrange for a constable, sheriff, or private process server to serve the initial divorce papers. To modify a divorce decree in Texas, you must demonstrate a material and substantial change in circumstances. 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. One of the first steps to getting a divorce is ensuring you meet the requirements to start a divorce process in Texas.