commiss decis juli defin product import subsidi purpos implement articl council direct eec euratom harmon compil gross nation product market price eec euratom commiss european commun regard treati establish european econom commun regard treati establish european atom energi commun regard council direct eec euratom februari harmon compil gross nation product market price articl thereof purpos definit gross nation product market price gnpmp pursuant articl direct eec euratom clarifi definit product import subsidi purpos european system integr econom account measur provid decis accord opinion committe establish articl direct eec euratom adopt decis articl purpos implement articl direct eec euratom precis definit product import subsidi defin annex hereto articl decis address member state brussel juli commiss hen christophersen vice presid oj annex purpos implement articl direct eec euratom point aim clarifi articl direct valuat output good servic exclud product import subisid payment gener govern specif group household previous defin administr reason made market unit enabl reduc price product household payment specif calcul compens price reduct grant household payment made gener govern market produc unit pai part good servic market produc unit provid directli individu household household legal establish payment treat social benefit miscellan current transfer collect consumpt