After papers are delivered to the other side, proof of this must be given to the court. To find Affidavits of Service go to Forms, visit a Court Help Center or ask the Court for one, most Courts will have this.Interrogatories are a discovery tool (among many) used in lawsuits in New York courts. In sum, these are written questions seeking specific information. Intheblanks form required for any matter originating and electronically filed in Supreme or Surrogate's Courts in Richmond County. Please print and fill out the Civil Process Information Sheet (PDF) and include it in the papers to be served. Service of interrogatories. After commencement of an action, any party may serve written interrogatories upon any other party. 4 Irving Place, Room 1815S, New York NY 10003. Tel. Among the devices is the Information Subpoena, a unique post-judgment discovery device (CPLR 5224(3).