commiss regul ec januari determin aid refer council regul ec privat storag butter cream commiss european commun regard treati establish european commun regard council regul ec common organis market milk milk product amend regul ec articl thereof articl commiss regul ec decemb lai detail rule applic council regul ec intervent market butter cream amend regul ec stipul prejudic articl regul amount aid refer articl regul ec privat storag fix year articl regul ec stipul entri store place march august year determin compon aid entri store start measur provid regul accord opinion manag committe milk milk product adopt regul articl aid refer articl regul ec calcul tonn butter butter equival contract conclud basi eur fix cost eur cost cold storag dai contractu storag amount dai contractu storag calcul basi intervent price butter forc dai contractu storag begin basi annual interest rate articl regul enter forc dai public offici journal european commun regul bind entireti directli applic member state brussel januari commiss franz fischler member commiss oj oj oj oj