This unofficial compilation of the Rules provided for informational purposes only. Don't interrupt opposing counsel even if she's playing fast and loose with the facts or law.Call opposing counsel and ask for an extension and send a confirming letter. To serve a subpoena in California, you have to take a blank civil subpoena (for personal cases or Duces Tecum) form to the court clerk to stamp and sign on it. Free legal services to low-income Alameda tenants age 60 and older. Phone: 510-832-3040 Hotline: 800-222-1753 The proper form is the Order to Show Cause form (FL300) and Application for Order and Supporting Declaration (FL310). If you are serving the Notice on opposing counsel, you can and should file a Proof of service or a Declaration of Service so the court.