; (B) in the case of an individual not described in subparagraph (A) who first satisfies such paragraph in a month beginning before January 2021 and who enrolls— (i) pursuant to such subsection (d) in such month in which he first satisfies such paragraph, the first day of the month following the month in which he so enrolls; (ii) pursuant to such subsection (d) in the month following such month in which he first satisfies such paragraph, the first day of the second month following the month in which he so enrolls; or (iii) pursuant to such subsection (d) more than one month following such month in which he satisfies such paragraph, the first day of the third month following the month in which he so enrolls; (C) in the case of an individual not described in subparagraph (A) who first satisfies such paragraph in a month beginning on or after January 1, 2021, and who enrolls pursuant to such subsection (d) in such month in which he first satisfies such paragraph or in any subsequent month of his initial enrollment period, the first day of the month following the month in which he so enrolls; (D) in the case of an individual not described in subparagraph (A) who enrolls pursuant to subsection (e) of section 1837 in a month beginning before October 15, 2020, the July 1 following the month in which he so enrolls; or (E) in the case of an individual not described in subparagraph (A) who enrolls pursuant to subsection (e) of section 1837 in a month beginning on or after October 15, 2020, the first day of the month following the month in which he so enrolls. ; and (B) by amending paragraph (3) to read as follows: (3) (A) in the case of an individual who is deemed to have enrolled on or before the last day of the third month of his initial enrollment period, the first day of the month in which he first meets the applicable requirements of section 1836 or July 1, 1973, whichever is later