Use the form with the boxes to guide you through filling out the blank form. Box 1: Print the name of the county in which you filed.The Praecipe must be filed in the EXISTING CASE section of the EFS under the filing category labeled CERTIFICATION REGARDING DISCOVERY MOTION. The Code made no provision whatsoever for discovery for use in the initial proceedings before viewers. The viewers' proceedings were the discovery proceedings. Complete the Certificate of Service (Form I-6), which shows how the other party was served. After you serve the subpoena, you must then file a Certificate of Service. Complete this form according to the method of service you chose. 1. Attorney Andrew Gay Jr. provides legal counsel to criminal defense and personal injury cases in the region surrounding Philadelphia, Pennsylvania. In the Court of Common Pleas of Philadelphia County.