N.Y. Correct. Law § 147

§ 147. Noncitizen incarcerated individuals of correctional facilities.\nThe commissioner shall within three months after admission of a\nnoncitizen incarcerated individual to a correctional facility cause an\ninvestigation to be made of the record and past history of such\nnoncitizen and shall upon the termination of such investigation cause\nthe record of such noncitizen, together with all facts disclosed by such\ninvestigation, and his or her recommendations as to deportation, to be\nforwarded to the United States immigration authorities having such\nmatters in charge.\n