1 . OFFICIALS - TEMPORARY STAFF - TEMPORARY POSTING - TEMPORARY PERFORMANCE OF DUTIES OF A HIGHER LEVEL OF RESPONSIBILITY THAN PROVIDED FOR IN THE CONTRACT - RIGHT OF PERSON CONCERNED TO BE RE-GRADED - NONE ( STAFF REGULATIONS , ART . 7 ( 2 ); CONDITIONS OF EMPLOYMENT OF OTHER SERVANTS , ART . 10 , FIRST PARA .) 2 . OFFICIALS - DUTY OF ASSISTANCE INCUMBENT UPON THE ADMINISTRATION - SCOPE ( STAFF REGULATIONS , ART . 24 ) 3 . OFFICIALS - INDIVIDUAL DECISION - DECISION CHANGING AN OFFICIAL ' S DUTIES - DECISION WITHDRAWING AN ADVANTAGE ASSOCIATED WITH A POST - STATEMENT OF REASONS - OBLIGATION - NONE ( STAFF REGULATIONS , ART . 25 , SECOND PARA .)