This packet provides general guidance about asking written questions, called "Interrogatories," to another party in the case. Form Interrogatories are a list of questions on a court form.This packet provides general guidance about asking written questions to another party in the case. This guide contains forms and instructions for responding to Requests for Production from your opponent in a California civil case. Rules regarding service can be found in the Michigan Court Rules. You need to speak to an attorney ASAP. TO PROCESS SERVER: You must serve the subpoena and file proof of service with the court clerk. The California Code of Civil Procedure provides very clear and concise guidelines to attorneys or paralegals who are drafting special interrogatories.