You cannot send more than 30 questions to another party in a circuit court case. The Maryland Rules have form interrogatories that you can use as an example.The court requires proof of service. The person who served the documents should fill out an affidavit of service. Fill out, sign, and submit a certificate of service to the clerk, including each of the parts below. "Discovery" is a process you can use before your trial to find out information from another party. There are several ways to ask the other party questions. Parties exchanging discovery material are encouraged to comply with requests that the material be provided in a word processing file or other electronic format. From the Civil menu click Other Documents, then choose Local Rule. Enter your case number,; Docket the Local Rule 104.7 certificate as your main document.