These are the official forms for use in Family Court proceedings. To start a case in Family Court, find the location of your local Family Court above.Then go to the Family Court clerk's office to get started. These are documents and forms relating to the areas in which they are located. Most documents and forms on this website are in Adobe Acrobat (. Format, returned to you, you must submit a letter along with the proposed evidence, including your name, address, and telephone number(s), and the. Name: Address: City, State, Zip: E-mail: I understand that I am swearing or affirming under oath to the truthfulness of the claims. Learn how to file a small claims case in Nassau County. Get details on court locations, filing procedures, and preparing for your hearing. The form required to file this proceeding is available in the Clerk's Probate Division and available online here.