N.Y. Mental Hygiene Law § 19.09
(a) The commissioner shall exercise all powers vested in the office. He or she may delegate any function, power, or duty assigned to him or her or to the office of alcoholism and substance abuse services to a director of a facility operated by such office or to any other officer or employee of such office, unless otherwise provided by law.
(e) The commissioner shall execute the policies of the state concerning alcoholism and substance abuse services.
(i)