Form Interrogatories are a list of questions on a court form. The Local Rules of Practice for the United States District Court for the Southern District of California are listed below.L.R. 31 Civil Cover Sheet and Other Forms Required at the Time of. Filing a New Action. A party may serve on any other party no more than 25 written interrogatories, including all discrete subparts. State that you are requesting answers to the interrogatories under Federal Rule of Civil Procedure 33. 2. Define the terms you will use in your interrogatories. Do Not File Interrogatories or Responses. You can use a Request for Production of Documents to inspect and copy relevant documents in your spouse's possession. San Diego is in the Southern District.