N.Y. Educ. Law § 2527
The clerk of the board of education or, where the office of claims auditor or deputy claims auditor has been created, the claims auditor or deputy claims auditor, and the treasurer, collector and such other officers and employees as the board of education shall designate, shall, before they enter upon the duties of their respective offices or positions, each execute to the school district and file with the school district clerk an official undertaking in such sum and with such corporate surety as the board of education shall direct and approve. The board of education may, at any time, require any such officer or employee to file a new official undertaking for such sum and with such corporate surety as the board shall approve. Such undertakings as shall have been approved by the board of education shall forthwith be filed with the school district clerk. The expense of any undertaking executed pursuant to this section shall be a school district charge.
N.Y. Educ. Law § 2527