Your custody, visitation, and child support cases, once final, are never truly final in the eyes of the law until the child reaches the age of majority. If there has been a significant change in circumstances since the last order or agreement regarding custody, visitation, or child support, a parent can petition the court for a modification of the arrangement. However, this modification must be in the best interest of the child. A judge will typically make the decision during a hearing. To determine if it’s appropriate to file for a modification, it’s best to consult with an experienced family law attorney who can advise you on how your case might proceed and when to file.