6. Benefit-in-kind: emissions-based calculations
(1) Section 121 of the Principal Act is amended -
(a) in subsection (2)(b)(iv) by substituting "2022" for "2021",
(b) in subsection (2)(b)(vi) by substituting "2022" for "2021",
(c) in subsection (3) by inserting the following after paragraph (b):
"(c) This subsection is subject to subsection (4A) for the year of assessment 2023 and subsequent years.",
(d) in subsection (4), by inserting the following after paragraph (c):
"(d) This subsection is subject to subsection (4A) for the year of assessment 2023 and subsequent years.",
and
(e) by inserting the following after subsection (4):
(a) For the year of assessment 2023 and subsequent years, the cash equivalent of the benefit of a car shall be an amount determined by the formula -
Original market value x A
where -