Court Forms and Instructions. Completing the Forms.Unlike in California, you cannot file a "demurrer" in Arizona. In AZ you can file a motion to dismiss. (b) How to Present Defenses. Every defense to a claim for relief in any pleading must be asserted in the responsive pleading if one is required. A preliminary scheduling conference will be conducted before the assigned District Judge or Magistrate Judge for all cases on this. A "pleading" is a document a party files with the court that states a claim or a defense or that responds to a claim or defense in a lawsuit.