Article 18a 3.

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.