Form Interrogatories are a list of questions on a court form. You need to file a motion to vacate the judgment based upon lack of service, together with a motion to dismiss or suspend the wage garnishment.Service of civil process is handled through the Sheriff's Civil Division. Click here for the locations of all Civil Division offices. A motion to compel is a request to the court to issue an order to compel the other party to answer a question or to produce a document or object. Modifying a court order after it has been made is a difficult process. Do I have to respond to an interrogatory and discovery request in a child support case from a Pro Se defendant? Contact the Sheriff to arrange service of the Interrogatories on the Judgment Debtor. There will be a fee that can be added when you fill out the Garnishment. The U.S. Department of the. Interior?