The articles of association of the association must provide that :
1° The members of the board of directors or the supervisory board of the association must be chosen from among the managers, directors or members of the supervisory board of the companies belonging to the association;
2° General meetings are composed of all the companies belonging to the association, each represented exclusively by one of its managers, directors or members of the supervisory board, duly authorised;
3° Notice of the general meeting must be given by registered letter or by electronic registered letter sent to the companies forming part of the association at least fifteen days before the date fixed for the meeting;
4° (paragraph repealed).
5° Questions communicated by at least three companies belonging to the association no later than twenty days before the General Meeting must be included on the agenda.