the members of the Bureau;
one representative of each parliamentary delegation of member states that do not have a seat on the Bureau. If a Vice-President of the Assembly is prevented from attending a meeting of the Joint Committee or of the Enlarged Joint Committee, his/her delegation may appoint another member. The President of the Assembly may co-opt members, including rapporteurs and/or the chairpersons of the committees concerned, according to the agenda of the Joint Committee or the Enlarged Joint Committee";