++++ 1 . ACTION FOR FAILURE TO ACT - CONCEPT OF FAILURE TO ACT - ADMISSIBILITY ( ECSC TREATY, ARTICLE 35 ) 2 . ACTION FOR FAILURE TO ACT - ABSENCE OF FAILURE TO ACT AT THE TIME THE PROCEEDINGS ARE INSTITUTED - ABSENCE OF LEGAL INTEREST ( ECSC TREATY, ARTICLE 35 ) 3 . INFORMATION - CHECKS - POWERS OF THE HIGH AUTHORITY - LIMITS ( ECSC TREATY, ARTICLE 47 ) 4 . INFORMATION - CHECKS - CONTROL BY THE COURT OF MEASURES OF INVESTIGATION 5 . INFORMATION - CHECKS - INTERPRETATION BY REFERENCE TO ARTICLE 86, FOURTH PARAGRAPH, OF THE ECSC TREATY - SPECIAL PURPOSE OF THIS PROVISION ( ECSC TREATY, ARTICLES 47 AND 86 )