commiss regul ec march amend regul ec lai measur improv qualiti oliv oil product commiss european commun regard treati establish european commun regard council regul eec septemb establish common organis market oil fat amend regul ec articl thereof articl regul eec lai percentag product aid proport grower assign financ region measur produc member state improv qualiti oliv oil product environment impact mechan determin financ ceil provid articl commiss regul ec permit distribut sum withheld ceil set product cycl fix aid market year adjust accord differ market year calcul base estim product base actual product measur provid regul accord opinion manag committe oil fat adopt regul articl subparagraph ad articl regul ec quot ceil adjust basi differ calcul deduct aid base estim product base actual product market year preced basi ceil fix subparagraph quot articl regul enter forc seventh dai public offici journal european commun regul bind entireti directli applic member state brussel march commiss franz fischler member commiss oj oj oj