A family law attorney can help you to file or fight a petition to modify a divorce settlement agreement in Georgia. We can represent you and file for a modification even if we were not your original divorce attorney.Parties are able to make small changes in their agreements without Court involvement so long as the changes are not material, significant or permanent. In Georgia, you can file to modify the terms of your divorce, specifically concerning child custody, child support, and alimony. Need to change your divorce settlement? We can help you to file for divorce modifications to amend your settlement for child support, custody and more. Filing Your Modification. Complete the petition for modification and file it with the court, along with the filing fee. In Georgia, a person is not required to hire a lawyer to file for divorce. Or a party may need to change the financial or custodial terms of final order - called a modification action.