N.Y. County Law § 658

§ 658. Verification of informations. Where a summons has been served\nby a sheriff or one of his staff, in lieu of arrest, in cases of\nviolations of the vehicle and traffic law or of ordinances and orders\nenacted pursuant to that law, any sheriff or undersheriff may administer\nto any member of his staff any necessary oath in connection with the\nlaying of such information to be presented to the court by such member\nof his staff in prosecution of the offense.\n