At the request of the Committee on Rules and Practice of the Judicial Conference of the. A party may serve on any other party no more than 25 written interrogatories, including all discrete subparts.Interrogatories may relate to any matter or information that is material or necessary to the prosecution or defense of the action and not subject to privilege. Parties may obtain discovery regarding any matter, not privileged, which is relevant to the subject matter involved in the pending action. The court has placed the most commonly used forms on line as a resource. Please be advised that the forms detailed below are intended to be a guide. Each question must be answered separately and fully, and the question to which the answer or objection responds must proceed each answer or objection. All papers to be filed in a court proceeding are to be mailed to the Suffolk County Clerk, Attn: Court Actions, 310 Center Drive, Riverhead, New York 11901. Q. This service is free.