For each of the years from 2020 to 2024—

1. (a)

   the niche volume derogation threshold in relation to a manufacturer that was responsible for new passenger cars registered in both the United Kingdom and in an EEA state in the period beginning with 1 January 2017 and ending with 31 December 2017 (“the relevant period”) is:

   $\frac{UK}{EEA}\times 300,000$

   • where:

   • “EEA” is the number of new passenger cars registered in an EEA state in the relevant period for which that manufacturer was responsible, and

   • “UK” is the number of new passenger cars registered in the United Kingdom in the relevant period for which that manufacturer was responsible,

2. (b)

   the niche volume derogation threshold in relation to a manufacturer not falling within point (a) is 50,000.