on or after the first day of the fourth month of his initial enrollment period, and where such month begins—
(i)#
before January 1, 2023 , as prescribed under subparagraphs (B)(i), (B)(ii), (B)(iii), and (D)(i) of paragraph (2), or
(ii)#
on or after January 1, 2023 , as prescribed under subparagraphs (C) and (D)(ii) of paragraph (2).