N.Y. Pub. Auth. Law § 1004
The trustees shall choose from among their own number a chairman and vice-chairman. They shall select such officers and employees, including a chief executive officer whose appointment shall be subject to confirmation by the senate in accordance with section twenty-eight hundred fifty-two of this chapter, and such engineering, marketing and legal officers and employees, as they may require for the performance of their duties and shall prescribe the duties and compensation of each officer and employee. They shall adopt by-laws and rules and regulations suitable to the purposes of this title. As long as and to the extent that the authority is dependent upon appropriations for the payment of its expenses, it shall incur no obligations for salary, office or other expenses prior to the making of appropriations adequate to meet the same.
N.Y. Pub. Auth. Law § 1004