" Fill out these forms: Request for Order (Form FL-300). Commonly used forms in Family Law proceedings including petitions for different types of restraining orders, child custody and support cases, and parentageThese forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. California Family Law Form FL-105 is required to complete your divorce if you have minor children of your marriage. Follow along as we simplify each step. Below is a listing of and links to blank forms that are necessary in filing for Custody Modification. They are separated into two categories. Looking to transfer a family law case to another county? Learn how to file a motion for change of venue and move your case to another California court. Complete form Child Custody and Visitation (Parenting Time) Application Attachment (FL311) to propose a custody and visitation arrangement.