Articolul 18a Statul membru de administrare

in the case of an aircraft operator with a valid operating licence granted by a Member State in accordance with the provisions of Council Regulation (EEC) No 2407/92 of 23 July 1992 on licensing of air carriers ( 33 ), the Member State which granted the operating licence in respect of that aircraft operator; and

in all other cases, the Member State with the greatest estimated attributed aviation emissions from flights performed by that aircraft operator in the base year.

before 1 February 2009, publish a list of aircraft operators which performed an aviation activity listed in Annex I on or after 1 January 2006 specifying the administering Member State for each aircraft operator in accordance with paragraph 1; and

from 2024, at least every two years, update the list to include aircraft operators which have subsequently performed an aviation activity listed in Annex I; where an aircraft operator has not performed an aviation activity listed in Annex I during the four consecutive calendar years preceding the updating of the list, that aircraft operator shall not be included in the list.