Notice of Service of Answers To Standard Family Law Interrogatories. Form Number 12.930(d).A certificate of service of the interrogatories must be filed, giving the date of service and the name of the party to whom they were directed. Be sure to sign your responses. Fill in the "certificate of service" on the last page before mailing them back to the other side. Welcome to Washington State Courts. (SFD) states its responses and objections to Plaintiff's First Set of Interrogatories Relating to Jurisdictional Discovery. As a matter of law, your attorney was required to file a certificate of service of the responses served on the opposing counsel. (2) Notice and Service. A sample notice of serving interrogatories used to prove service of interrogatories in a Florida circuit court civil case.