(10)The majority of the rules of the Athens Protocol have been incorporated into Union law by Regulation (EC) No 392/2009 of the European Parliament and of the Council of 23 April 2009 on the liability of carriers of passengers by sea in the event of accidentsnote. Thus, the Union exerted competence as regards the matters governed by that Regulation. A separate Decision relating to those provisions is to be adopted in parallel to this Decision.