For misdemeanor charges, there must only be 6 jurors and up to 4 alternates chosen. The grand jury then decides if there is enough evidence to bring the case to trial.If the grand jury decides there is enough evidence, an indictment is issued. 689 (the "Bill"), which would eliminate the prohibition of a right to a jury trial for B misdemeanors in New York City Criminal Courts. This book is written for jurors selected to serve in the trial court of the Federal Government, the United States District Court. Trial Jury Service (non-grand jury service) in United States District Court for the Western District of New York is for a 90-Day-On-Call period. According to CPL 30.30, the prosecution must be ready to try a felony within 6 months. In a jury trial, the court and the parties question prospective jurors to determine who they feel is best-qualified to hear the case. Under New York law, you can demand a jury trial in many cases. Outside of New York City, defendants have the right to a jury trial for Class B misdemeanors.