commiss regul eec juli amend regul eec lai detail rule applic fix refer price free frontier price carp commiss european commun regard treati establish european econom commun regard council regul eec decemb common organ market fisheri product amend regul eec articl thereof articl regul eec refer price carp fix begin market year price fix level period market year season fluctuat price articl commiss regul eec amend regul eec period refer price fix run decemb juli year experi subdivid period part regul eec amend manag committe fisheri product deliv opinion time limit set chairman adopt regul articl articl regul eec replac refer price fix carp period run august novemb decemb decemb januari juli articl regul enter forc august regul bind entireti directli applic member state brussel juli commiss fran andriessen vice presid oj oj oj oj