(e)Service and Filing. Interrogatories must be served on the party to whom the interrogatories are directed and copies must be served on all other parties.A sample notice of serving interrogatories used to prove service of interrogatories in a Florida circuit court civil case. Notice of Service of Answers To Standard Family Law Interrogatories. Form Number 12.930(d). The interrogatories must not exceed 30, including all subparts, unless the court permits a larger number on motion and notice and for good cause. 1. Please state the name and address of the person answering these interrogatories and that person's relationship to the Plaintiff, Well's Fargo Bank, NA. Interrogatories are written questions that either the defense or the plaintiff involved in litigation can send to the opposing attorney. The Defendants, A.M and M.A., pursuant to Rule 1.340, Fla. Interrogatories may be served on the plaintiff anytime after the action commences and upon any other party with or after the service of process.