These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Petition For Enforcement Of Order Of Custody Visitation.Accessing the Packet: Click the "Family Law Form Packets" below, and select the appropriate form link(s). This will open up the packet. Prior to mediation, each party is required to fill out the Custody, Visitation and Guardianship Disclosure Report (Form 364). You should file a form called the JV-180 Request to Change Court Order for important issues that need to be addressed immediately.