N.Y. Public Health Law § 2994-B
3. Prior to seeking or relying upon a health care decision by a surrogate for a patient under this article, if the attending practitioner has reason to believe that the patient has a history of receiving services for an intellectual or developmental disability; it reasonably appears to the attending practitioner that the patient has an intellectual or developmental disability; or the practitioner in a general hospital has reason to believe that the patient has been temporarily transferred from a mental hygiene facility operated or licensed by the office of mental health or the office for people with developmental disabilities, then such physician, nurse practitioner or physician assistant shall make reasonable efforts to determine whether paragraph (a), (b) or (c) of this subdivision is applicable: