This free program will help you fill out the petition that you will need to file in Family Court. GF-40. Petition For Modification Of Order Of Custody Visitation.To get or change a court order for custody or visitation, you must file forms at the Clerk's Office at the Lamoreaux Justice Center. Modification cases begin with the filing of a motion, called a Request for Order (RFO). When an RFO is filed, a hearing date is set. You can file a motion or petition in the court that issued the order of protection asking a Judge to change the terms of the order of protection. First his motion to modify is just that, a motion. Packets of forms are available for sale to be used in filing a new case or modifying a case in either the Family or Civil courts. If you're asking to change an existing order, make sure you use the same case number as your existing order. File the petition with the Family Court that most recently established your order.