It helps if you fill in the top part of the form with the case and court information. Do Not File Interrogatories or Responses.Complete the top caption with your name, address, and telephone number, the names of the parties in your case, and case number. Arrange for service of process anywhere in Riverside today. Contact Us. Please fill in the form below. Hire a process server in Riverside, CA. Upload your case to professional process servers and get the best, local service of process. The plaintiff can serve interrogatories, demands to produce, and requests for admission ten days after either the service of summons on the defendant. Riverside County Superior Court efiler resource to navigate eFiling requirements, deadlines, and formatting parameters for successful eFiling. When making interrogatories, you must create written questions, label them as "interrogatories," and demand the other party answer them in a letter. In this spirit, a party can deliver a request for production after 21 days of service of the complaint and summons.