1 . OFFICIALS - RECRUITMENT - COMPETITION - SELECTION BOARD - PROCEEDINGS - ABSENCE OF A MEMBER - COMPETITION PROCEDURE - VALIDITY - CONDITIONS ( STAFF REGULATIONS OF OFFICIALS , ANNEX III , ART . 3 ) 2 . OFFICIALS - RECRUITMENT - COMPETITION BASED ON TESTS - WRITTEN TEST - CHOICE OF SUBJECT - UNFAIR ADVANTAGE OF ONE CANDIDATE - PRINCIPLE OF EQUALITY OF TREATMENT - INFRINGEMENT