This packet provides general guidance about asking written questions, called "Interrogatories," to another party in the case. On each page, write in the page number and the total.It helps if you fill in the top part of the form with the case and court information. My residence or business address is: On (date):. I served the following documents (specify):. 1. I am (a party to this action or proceeding appearing in propria persona) (presently the attorney for ______, a party to this action or proceeding). As a matter of law, your attorney was required to file a certificate of service of the responses served on the opposing counsel. I am employed in the County of San Mateo, State of California. You have 30 days from date of service plus the number of days depending on method of service. See proof of service at the end of the interrogatories.