N.Y. Comp. Codes R. & Regs. tit. 14, § 517.7
(a) The commissioner may authorize the director of a hospital (referred to in this section as the “evacuating hospital”) to arrange with one or more directors of OMH hospitals, designated by the commissioner or a designee thereof, for the interim accommodation of patients, upon a determination by the commissioner or designee that a potential hazard to patients and staff will occur at the evacuating hospital as a result of overcrowding caused by:
(b) The evacuating hospital's director or designee may select any involuntary, emergency or consenting voluntary or informal patient for interim accommodation. A voluntary patient who is offered but who refuses to accept interim accommodation may be:
(c) When a patient is provided with interim accommodation pursuant to this section:
(1) The evacuating hospital shall, no later than three days following commencement of such accommodation, give written notice thereof to the following parties: