council regul eec march conclus agreement form exchang letter amend agreement european econom commun republ iceland purpos adjust tariff specif council european commun regard treati establish european econom commun articl thereof regard recommend commiss consequ amend result recommend custom cooper council june autonom common custom tariff iceland custom tariff tariff specif agreement european econom commun republ iceland adjust amend agreement refer order establish simplifi procedur adjust tariff specif event amend tariff contract parti adopt regul articl agreement form exchang letter amend agreement european econom commun republ iceland approv behalf commun text agreement annex regul articl presid council author design person empow sign agreement order bind commun articl regul enter forc dai public offici journal european commun appli effect januari regul bind entireti directli applic member state brussel march council presid marcora oj