++++ 1 . OFFICIALS - RECRUITMENT - VACANCY NOTICES AND NOTICES OF COMPETITION - SPECIFIC REQUIREMENTS - DEFINITION OF DUTIES - SPECIAL DETAILS - POWERS OF THE APPOINTING AUTHORITY ( STAFF REGULATIONS OF OFFICIALS OF THE COMMUNITIES, ARTICLES 2, 4, 5 AND 29 AND ANNEX III, ARTICLE 1 ) 2 . OFFICIALS - RECRUITMENT - VACANCY NOTICES AND NOTICES OF COMPETITION - SPECIFIC REQUIREMENTS - DEFINITION OF DUTIES - SPECIAL DETAILS - CRITERION OF NATIONALITY - KNOWLEDGE OF A SYSTEM OF NATIONAL LAW ( STAFF REGULATIONS OF OFFICIALS OF THE COMMUNITIES, ARTICLE 27 ) 3 . OFFICIALS - RECRUITMENT - COMPETITION - PROMOTIONS COMMITTEE - JOINT COMMITTEE - POWERS - LIMITS ( STAFF REGULATIONS OF OFFICIALS OF THE COMMUNITIES, ARTICLES 9 AND 45, ANNEX II, ARTICLES 2 AND 3, ANNEX III, ARTICLE 1 ) 4 . OFFICIALS - RECRUITMENT - COMPETITION OPEN TO A HIGHER GRADE OF A CAREER BRACKET - EXCEPTIONAL NATURE - CONDITIONS ( STAFF REGULATIONS OF OFFICIALS OF THE COMMUNITIES, ARTICLE 31(2 ))