1 . REQUESTS FOR PRELIMINARY RULINGS - JURISDICTION OF THE COURT - LIMITS ( ECSC TREATY , ART . 41 ) 2 . COMMON CUSTOMS TARIFF - APPLICATION OF THE EUROPEAN UNIT OF ACCOUNT TO LEGAL ACTS ADOPTED IN THE CUSTOMS SPHERE - REGULATION ( EEC ) NO 2779/78 - SCOPE - PRODUCTS FALLING WITHIN THE AMBIT OF THE ECSC TREATY - EXCLUDED ( EEC TREATY , ART . 232 ( 1 ); COUNCIL REGULATION NO 2779/78 ) 3 . ECSC - COMMERCIAL POLICY - PROTECTION AGAINST DUMPING - IMPOSITION OF ANTI-DUMPING DUTIES - POWERS OF THE COMMISSION ( ECSC TREATY , ART . 74 ; COMMISSION RECOMMENDATIONS NOS 77/329 AND 3140/78 ) 4 . ECSC - COMMERCIAL POLICY - PROTECTION AGAINST DUMPING - ANTI-DUMPING DUTIES - CALCULATION - PROLONGED MAINTENANCE OF OBLIGATORY CONVERSION RATES - PERMISSIBILITY - LIMITS ( ECSC TREATY , ART . 74 ; COMMISSION RECOMMENDATIONS NOS 77/329 , ART . 19 ( 3 ), AND 3140/78 )