1 . OFFICIALS - RECRUITMENT - APPOINTMENT TO THE STARTING GRADE - EXCEPTION AUTHORIZED BY THE STAFF REGULATIONS - APPLICATION BY MEANS OF A GENERAL DECISION - DISCRETIONARY POWER OF THE ADMINISTRATION - LIMITS - NO DISCRETION ALLOWED ( STAFF REGULATIONS OF OFFICIALS , ARTS . 5 ( 3 ) AND 31 ( 2 ) ( B )) 2.MEASURES ADOPTED BY THE INSTITUTIONS - INTERNAL DIRECTIVE - RULE OF CONDUCT INDICATING THE PRACTICE TO BE FOLLOWED - LEGAL FORCE AS REGARDS THE ADMINISTRATION ( STAFF REGULATIONS OF OFFICIALS , ART . 5 ( 3 ))