Under Rule of the S. Ct. , answers to interrogatories must be signed before a Notary Public. A party may serve on any other party no more than 25 written interrogatories, including all discrete subparts.Must a certificate of service be filed for interrogatories under Florida Rules of Civil Procedure? Here are some sample interrogatory objections, a cheat sheet that might help you determine how to object to interrogatories. I filled a summons to answer interrogatories, same deal with the sheriff service. Fill in the "certificate of service" on the last page before mailing them back to the other side. How To Respond To Requests for Production of Documents. The first edition of this handbook was prepared in the fall of 1995. A: It is normal to to only efile the notice of service of interrogatories and send the actual interrogatories to the relevant party directly. Customer: I am a pro se respondent in a divorce case in the state of Virginia.