; (B) in subclause (I), as resdesignated by subparagraph (A), by striking (a)(1)(A), (a)(1)(B), ; (C) in subclause (III), as redesignated by such subparagraph— (i) by striking clause (i) and inserting subclause (I) ; and (ii) by striking the period at the end and inserting ; and ; (D) in the matter preceding subclause (I), as so redesignated, by striking subparagraph (C), in any calendar year and inserting “subparagraph (C)— (i) in any calendar year ; and (E) by adding at the end the following new clause: (ii) in any calendar year after 2021— (I) a limitation established by subsection (a)(1)(A) or (a)(1)(B) shall be increased by the percent difference determined under subparagraph (A); (II) each amount so increased shall remain in effect for the calendar year; and (III) if any amount after adjustment under subclause (I) is not a multiple of $100, such amount shall be rounded to the nearest multiple of $100. ; and (2) in paragraph (2)(B)— (A) in clause (i), by striking and ; (B) in clause (ii)— (i) by striking (a)(1)(A), (a)(1)(B), (a)(3), and inserting (a)(3) ; and (ii) by striking the period and inserting ; and