N.Y. Correction Law § 137
6. Except as provided in paragraphs (d) and (e) of this subdivision, the superintendent of a correctional facility may keep any incarcerated individual confined in a cell or room, apart from the accommodations provided for incarcerated individuals who are participating in programs of the facility, for such period as may be necessary for maintenance of order or discipline, but in any such case the following conditions shall be observed:
(d)
(ii)
(iii) Incarcerated individuals with serious mental illness who are not diverted or removed from a residential rehabilitation unit shall be offered a heightened level of mental health care, involving a minimum of three hours daily of out-of-cell therapeutic treatment and programming. This heightened level of care shall not be offered only in the following circumstances:
(e) An incarcerated individual has a serious mental illness when he or she has been determined by a mental health clinician to meet at least one of the following criteria:
(i) he or she has a current diagnosis of, or is diagnosed at the initial or any subsequent assessment conducted during the incarcerated individual's segregated confinement with, one or more of the following types of Axis I diagnoses, as described in the most recent edition of the Diagnostic and Statistical Manual of Mental Disorders, and such diagnoses shall be made based upon all relevant clinical factors, including but not limited to symptoms related to such diagnoses:
(i)
(j)
(k)
(ii) The department may place a person in segregated confinement beyond the limits of subparagraph (i) of this paragraph or in a residential rehabilitation unit only if, pursuant to an evidentiary hearing, it determines by written decision that the person committed one of the following acts and if the commissioner or his or her designee determines in writing based on specific objective criteria the acts were so heinous or destructive that placement of the individual in general population housing creates a significant risk of imminent serious physical injury to staff or other incarcerated persons, and creates an unreasonable risk to the security of the facility:
(m)