PART 1General
Regulator: assessment of emissions5
1
Where the regulator is satisfied that the relevant data is available to it, the regulator (“A”) must—
a
assess whether the highest percentage of aviation emissions of an aircraft operator without a registered office (“B”) are attributable to the area of a different regulator (“C”);
b
do so by 14th December in the final year of each trading period; and
c
make this assessment taking into account data from the beginning of the trading period to the date of the assessment.
2
Where that assessment shows that the highest percentage of emissions is attributable to the area of C, A must give notice to B and C by 21st December in the final year of the trading period.
3
Where—
a
A has given notice under paragraph (2); and
b
the regulator for the trading period following that notice is not determined under regulation 6,
C is the regulator of B from the beginning of that trading period.