Use this program to ask (or "petition") the Family Court to change a support order if there is a "change in circumstances." Read this blog and contact an experienced family law attorney to learn more about postdivorce modifications in New York.At Donato Law, our Suffolk County divorce modification attorney can provide you with legal assistance during your divorce proceedings. If you are doing it yourself you can find a generic family law motion for modification at the court clerks office or on the website. Free Consultation - Call 800.696. If you wish to modify a court order, you will need to file a motion with the Supreme Court or a petition in Family Court. Need a Long Island modification lawyer in New York? Contact Hedayati Law Group—Call (516) 334-4100 to schedule an appointment with our lawyers. Our Suffolk County divorce modification lawyers can help you prepare and file a petition with the court for a modification to your divorce settlement. Your Suffolk divorce attorney can assist you in putting the paperwork together.