N.Y. Insurance Law § 4914
(b)
(4)
(iii) If a determination is made that the out-of-network health service is materially different from the alternate recommended in-network health service, the external appeal agent shall assign a panel with an additional two or a greater odd number of clinical peer reviewers, which shall make a determination as to whether the out-of-network health service shall be covered by the health plan; provided that such determination shall:
(ii) be accompanied by a written statement:
(d)