++++ 1 . OFFICIALS - DISPUTES WITH THE COMMUNITIES - CAPACITY TO APPEAR ON BEHALF OF THE COMMUNITY ( ECSC STAFF REGULATIONS, ARTICLES 90 AND 91 ) 2 . ECSC OFFICIALS - DISPUTES WITH THE ADMINISTRATION - COMMITTEE OF PRESIDENTS MADE PARTY TO THE PROCEEDINGS - LEGAL EFFECTS OF MEASURES ADOPTED BY THIS COMMITTEE - INADMISSIBILITY ( ECSC TREATY, ARTICLE 78; ECSC STAFF REGULATIONS, ARTICLES 90 AND 91 ) 3 . COMMITTEE OF PRESIDENTS - POWER TO MAKE REGULATIONS IN RELATION TO STAFF - POWER TO ADOPT MEASURES IMPLIES POWER TO AMEND THEM 4 . OFFICIALS - DUTIES PERFORMED AND GRADES - CORRESPONDENCE - PURPOSE AND EFFECTS OF THIS PRINCIPLE - SCOPE ( ECSC STAFF REGULATIONS, ARTICLE 5, ANNEX I )