A Form Interrogatory is the easiest tool to use for discovery. It's a set of questions on a standard form.It helps if you fill in the top part of the form with the case and court information. The proof of service form should be completely filled out, but not signed. Yes you need to attach a proof of service when you send the discovery requests to the opposing party. Fill Online, Printable, Fillable, Blank POS030 SUPERIOR COURT OF CALIFORNIA, COUNTY OF (Santa Clara University) Form. In family law, an attorney can file a Motion to Compel Discovery. They must attach a copy of the original discovery request (e.g. I am doing my divorce pro se, Im attempting to file for discovery. I was told to use form 35.5.