N.Y. County Law § 927: General duties of district attorneys

§ 927. General duties of district attorneys. It shall be the duty of

the district attorney of the respective counties of New York, Bronx,

Kings, Queens and Richmond to prosecute all crimes and offenses

cognizable by the courts of the county for which he shall have been

elected or appointed, except when the place of trial of an indictment is

changed from one county to another, it shall be the duty of the district

attorney of the county where the indictment is found to conduct the

trial of the indictment so removed, but said district attorney shall

assist in the trial of an indictment removed to his county for trial,

upon request of the district attorney of the county wherein the

indictment was found. He shall perform the duties prescribed in section

seven hundred of this chapter and such other duties as are prescribed by

law.