Debtor interrogatories are a summons directed to a judgment debtor, directing him to appear before a commissioner in chancery or before the court. Interrogatories to a defendant can be served at any time with or after service of the complaint on that defendant.Fill out the intake form and have your login credentials sent directly to your inbox. Proper grounds to object to interrogatories? Being ask for irrelevant stuff. Fill out the form below to request a consultation. 700 N. Fairfax Street, Suite 505. Fairfax Virginia Process Service. Call (703) 385-5300 today for a process server in Washington D.C. or throughout the state of Virginia. In Virginia, interrogatories are limited to 30.