++++ 1 . PROCEDURE - APPLICATION FOR ANNULMENT - GENERAL DECISION OF THE HIGH AUTHORITY OF THE ECSC - APPLICANT UNDERTAKINGS - MISUSE OF POWERS - ALLEGATION - ADMISSIBILITY ( ECSC TREATY, ARTICLE 33 ) 2 . MEASURES ADOPTED BY AN INSTITUTION - GENERAL DECISION OF THE HIGH AUTHORITY OF THE ECSC - CONCEPT ( ECSC TREATY, ARTICLE 33 ) 3 . MEASURES ADOPTED BY AN INSTITUTION - GENERAL DECISION OF THE HIGH AUTHORITY OF THE ECSC - POSSIBILITY OF MISAPPLICATION - ABSENCE OF MISUSE OF POWERS AFFECTING AN UNDERTAKING ( ECSC TREATY, ARTICLE 33 )