STATE OF GEORGIA. ,. §. Plaintiff,. Interrogatories are part of "Discovery," which is very common in court cases.A Rule 5.2 Certificate is a certificate of service, but is specifically related to discovery requests. > > Read More.. Certificate of Service to be Filed with Court. Write the address of the party where you mailed the copy to or where you hand delivered the copy. Fill out a Request for Interrogatories. Provide a good mailing address or service address for the defendant. Fill out a Request for Interrogatories. Provide a good mailing address or service address for the defendant. Pursuant to O.C.G.A. §9-11-33(a)(1), Georgia law allows each party to submit up to 50 interrogatories, including subparts.