If you have served as a juror in a New York State or Federal Court within the past six years, please submit your completed questionnaire or juror summons. A. In Bronx County, most felony cases require that you testify once before the Grand Jury and, if the case goes to trial, once during the trial.You can complete the Juror Qualification Questionnaire on-line or you can complete the form, sign it, and return it in the business reply envelope. I was called in the Bronx, and I'd imagine the general process is similar to that of the other boroughs. 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. To reach the jury office in Buffalo, dial 716-551-1520. If your call is not answered, please leave a voice mail message. Marvin Ray Raskin, Bronx, for defendant. This guide explains what to expect at former President Donald Trump's landmark criminal trial in Manhattan for allegedly falsifying records.