commiss decis ecsc decemb amend decis amount method appli levi provid articl treati amend decis ecsc possibl afford coal undertak postpon payment levi due commiss european commun regard treati establish european coal steel commun articl thereof high author decis amend commiss decis ecsc determin amount method appli levi provid articl treati meet novemb council request commiss effect progress reduct levi view complet abolit expiri ecsc treati juli maintain simpl econom system administr machineri mean paragraph articl treati desir order administ levi effici transit period lead abolit chang frequenc declar payment entail minim loss incom levi lastli deadlin articl commiss decis ecsc coincid send output return provis decis ecsc amend line provis decis high author decis amend commiss decis ecsc adopt decis articl articl decis word februari twentieth dai month replac word april twentieth dai month articl decis ecsc amend articl word monthli replac word quarterli articl word month replac word month end quarter articl word month preced month start februari replac word month preced quarter effect april word dai preced month word dai preced quarter word dai month preced month word dai quarter articl word dai month replac word twentieth dai month word dai preced month word dai preced quarter articl decis enter forc januari decis bind entireti directli applic member state brussel decemb commiss hen christophersen vice presid oj ecsc oj oj oj ecsc page offici journal