N.Y. Comp. Codes R. & Regs. tit. 11, § 52.76
(4) For purposes of this section, grandfathered health plan shall have the meaning set forth in Insurance Law sections 3216(i)(17)(F), 3221(l)(8)(G), and 4303(j)(4).
(b)
(1) Except as provided in paragraph (2) of this subdivision, a policy that provides hospital, surgical, or medical care coverage shall cover coronavirus disease 2019 (COVID-19) immunizations, and the administration thereof, immediately upon the earliest of the date on which:
(a)