council decis decemb conclus implement individu agreement govern relat oblig member state maintain minimum stock crude oil petroleum product eec council european commun regard treati establish european econom commun articl thereof regard propos commiss council adopt direct decemb impos oblig member state european econom commun maintain minimum stock crude oil petroleum product articl direct make provis establish individu agreement govern stock territori member state account undertak establish member state lai procedur appli event agreement reach reason time compli adopt decis articl agreement govern provid articl council direct decemb reach govern concern period month notif direct agreement compli govern concern inform commiss commiss propos govern concern measur overcom difficulti articl agreement govern reach month propos commiss measur overcom difficulti commiss lai propos direct measur council propos provid procedur registr supervis transport stock held member state ensur account principl set articl aforement direct articl decis address member state brussel decemb council presid lattanzio oj