++++ 1 . OFFICIALS - RECRUITMENT - SPECIAL PROCEDURE - APPLICATION TO CANDIDATES WHO ARE OFFICIALS . ( STAFF REGULATIONS, ARTICLE 29 ( 2 )) 2 . OFFICIALS - RECRUITMENT - SPECIAL PROCEDURE - APPLICATION - STRICT INTERPRETATION - PROMOTION OF AN OFFICIAL FROM ONE CATEGORY TO ANOTHER - NOT PERMISSIBLE . ( STAFF REGULATIONS, ARTICLES 29 ( 2 ), 45 ( 2 ))