++++ 1 . COMMON FINANCIAL ARRANGEMENTS - EQUALIZATION OF FERROUS SCRAP - FUNCTIONING - EQUALITY OF TREATMENT OF CONTRIBUTORS - OBLIGATIONS OF THE COMMISSION ( ECSC TREATY, ARTICLE 53 ) 2 . COMMON FINANCIAL ARRANGEMENTS - EQUALIZATION OF FERROUS SCRAP - CONTRIBUTIONS - LIMITATION PERIOD - INCONTESTABILITY UNTIL CLOSURE OF THE FINAL ACCOUNT ( EEC TREATY, ARTICLE 53 )