These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Order On Motion for Sibling Placement or Contact.Complete General Form 17 to petition for custody or visitation. You can file a paternity or a child custody case. The instructions and all the forms needed to open a paternity or custody case are in this section. Notice-Pet for Reg Out of State Child Custody Determination - NPROSCD (FAM). CMCN. NRCP 16.2 Case Management Conference Order - CMCN (FAM). CCJG. If you prepare your own petition, file it with the Clerk of Family Court on the 11th floor of the courthouse at. Make an original and two copies of the Petition for Child Custody (CAFC201). This section explains the basic forms needed for a plaintiff to draft, file, and serve simple Pennsylvania Child Custody actions in a step-by-step format.