commiss regul eec decemb amend regul eec recognit produc group hop commiss european commun regard treati establish european econom commun regard council regul eec juli common organ market hop amend regul eec articl thereof commiss regul eec amend regul eec lai condit recognit hop produc group associ thereof articl regul state associ produc group appli recognit thing area record cultiv member hectar limit appear high member state area hop hectar provis adapt measur provid regul accord opinion manag committe hop adopt regul articl subparagraph ad articl regul eec member state area hop hectar minimum area requir equal hectar articl regul enter forc dai public offici journal european commun regul bind entireti directli applic member state brussel decemb commiss fran andriessen vice presid oj oj oj oj