N.Y. County Law § 393
Wherever a hospital for the care and treatment of persons suffering from tuberculosis exists in connection with, or on the grounds of a county home, the board of supervisors may, after this article takes effect, appoint a board of managers for such hospital and such hospital, and its board of managers, shall thereafter be subject to all the provisions of this article, in like manner as if it had been originally established hereunder. Any hospital for the care and treatment of tuberculosis which may hereafter be established by any board of supervisors shall be subject to all the provisions of this article. No hospital authorized under the provisions of this article shall hereafter be located on the grounds of a county home.
N.Y. CountyLaw § 393