§ 929. Official undertaking of district attorneys. Every person elected or appointed to the office of district attorney, shall, before he enters upon the duties of his office, and if appointed, within fifteen days after notice thereof, execute and deliver, to the county clerk of his county, an official undertaking with surety or sureties in an amount fixed by the comptroller approved by a justice of the supreme court in the county in which he has been elected or is serving. Such undertaking shall be to the effect that he will faithfully account for and pay over according to law, or as the court may direct, all moneys that may come into his hands as such district attorney.