Fill out this order form completely (except for the judge's signature). Filing Your Modification.Complete the petition for modification and file it with the court, along with the filing fee. In Georgia, you can file to modify the terms of your divorce, specifically concerning child custody, child support, and alimony. This Divorce Set Contains instructions and seven forms: an Affidavit of Indigency, an Original Petition for Divorce, a. A family law attorney can help you to file or fight a petition to modify a divorce settlement agreement in Georgia. In general, Texas has very few official legal forms. This is why you will not always find a free fill-in-the-blank form for your situation. The Final Decree of Divorce form must be completely filled out (except for the judge's signature) before you go to court. Learn about divorce decree modifications in Georgia including changes for child support, custody, visitation, property division, and more.