Discovery is a process for obtaining information about a lawsuit. Unless the court orders otherwise for good cause, the parties' Proposed Scheduling.A party must provide copies of any documents or exhibits the party will use to support a claim or defense, including copies of electronically stored documents. The interactive map below features data on the most relevant discovery rules in all 50 states. Each state has its own laws, court rules, and case law governing the discovery process. Criminal discovery, on the other hand, is quite different and limited. While this guide is intended to give a general overview of the Arizona court system and its procedures, not all cases proceed as outlined here.