N.Y. Real Prop. Tax Law § 203
There is hereby created within the department of taxation and finance an office of real property tax services. The head of the office shall be a deputy commissioner for real property tax services, who shall also be the executive officer for and secretary of the state board of real property tax services. The deputy commissioner for real property tax services shall be appointed by the governor. He or she shall exercise such powers and duties in relation to real property tax administration as may be delegated to him or her by the commissioner, shall report directly to the commissioner on the activities of the office, and shall hold office at the pleasure of the commissioner. The commissioner may appoint such officers, employees, agents, consultants and special committees as he or she may deem necessary to carry out the provisions of this chapter, and shall prescribe their duties.
N.Y. Real Prop. Tax. Law § 203