Learn all that you need to know after responding to a jury summons to serve as a member of the jury in Maricopa County. The Jury Commissioner's Office provides jurors for all trial divisions of the Superior Court, and in some counties for the justice courts and municipal courts.Prior to your appearance date you may call our automated phone system (1-877-785-1415) or click here to find out the status of your excuse request. There is no "guaranteed" method of getting out of jury duty, unless you meet one of the following criteria. All US citizens are qualified for jury service if they are at least 18 years old, are residents of the jurisdiction in which they have been summoned to serve. The following is a brief description of the process to prosecute an adult accused of committing a felony offense. Demand for jury; trial procedure. Sec. 17-240. Trial and issue; postponement of trial. Sec. 17-241. The selection process will last for about half the day. Jurors are the heart of the judicial system in the United States.