Our forms are offered to give you an idea of what Domestic Relations Court documents look like. They can be printed for your own personal use.These forms and instructions are available in the General Clerk's Office, Room 108, in the Nassau County. Step 1: Determine your court and type of case. First, determine if you'll file in juvenile or domestic relations court. Click on the link(s) for the forms you'd like to download. The form will require the parent to include detailed information regarding the purported imminent threat to the child in the existing custody situation. No information is available for this page. In order to file, you must fill out detailed forms describing your income, expenses, what you own and any debts.