council direct decemb amend ninth time direct eec harmon provis laid law regul administr action relat exempt turnov tax excis duti import intern level eec council european commun regard treati establish european econom commun articl thereof regard propos commiss regard opinion european parliament regard opinion econom social committe articl council direct eec amend direct eec provid year time octob latest council act accord procedur provid treati point adjust amount exempt refer paragraph articl order maintain genuin survei conduct commiss weight averag increas price index member state period octob decemb result amount round event adjust commun exempt result chang exempt express nation currenc reduct exempt member state concern permit retain amount nation currenc obtain chang adopt direct articl direct eec amend articl paragraph ecu replac ecu paragraph ecu replac ecu articl paragraph ad member state maintain exist amount exempt convers amount exempt express ecu adopt adjust refer articl result chang exempt express nation currenc reduct exempt articl paragraph ecu replac ecu paragraph ecu replac ecu paragraph ecu replac ecu articl member state bring forc measur compli direct juli member state inform commiss provis nation law adopt implement direct articl direct address member state brussel decemb council presid papandr oj oj oj oj oj oj