The Commission shall determine the total quantity of allowances to be allocated in respect of aircraft operators for the year 2024 on the basis of the total allocation of allowances in respect of aircraft operators that were performing aviation activities listed in Annex I in the year 2023, reduced by the linear reduction factor as referred to in Article 9, and shall publish that quantity, as well as the amount of free allocation which would have taken place in 2024 under the rules for free allocation in force prior to the amendments introduced by Directive (EU) 2023/958 of the European Parliament and of the Council (
8
) .