++++ 1 . COMMUNITY INSTITUTIONS - ADMINISTRATIVE DEPARTMENTS - POST - TRANSFER - DISCRETIONARY POWER OF THE ADMINISTRATION - NO CREATION OF NEW POST - TRANSFER OF THE OFFICIAL TOGETHER WITH HIS POST - NO VACANCY 2 . COMMUNITY INSTITUTIONS - ADMINISTRATIVE DEPARTMENTS - ORGANIZATIONAL POWER OF THE HIGHER AUTHORITIES - OBLIGATION TO RESPECT THE RIGHTS OF OFFICIALS 3 . OFFICIALS - DUTIES PERFORMED, GRADE AND POST - CORRESPONDENCE - POSSIBILITY OF THIS PRINCIPLE BEING INFRINGED BY THE WITHDRAWAL OF PART OF THE SERVICES WHICH ARE SUBJECT TO AN OFFICIAL' S AUTHORITY ( STAFF REGULATIONS OF THE EUROPEAN COMMUNITIES, ARTICLES 5 AND 7 )