agreement form exchang letter european econom commun feder republ brazil import manioc brazil supplier countri member gener agreement tariff trade gatt march european econom commun notifi director gener gatt intent negoti modif concess import manioc similar product common custom tariff subhead respect european econom commun feder republ brazil qualiti direct beneficiari exist bind laid schedul lxxii agre suspens exist bind laid schedul lxxii respect manioc similar product common custom tariff subhead european econom commun establish annual tariff quota import manioc similar product common custom tariff subhead gatt supplier tonn tonn tonn tonn tonn abovement quantiti reserv princip gatt supplier remain quantiti present gatt member import manioc gatt supplier quota limit import levi fix maximum ad valorem import limit subject variabl levi foreseen european econom commun common organ cereal market bear mind intern right oblig commun undertak ensur posit gatt supplier european econom commun manioc market period cover present arrang undermin import gatt member context european econom commun intend fix autonom quota import manioc gatt member subject altern bilater arrang arrang remain forc decemb continu run subsequ year period denounc parti year expiri initi period subsequ year period notifi denunci agreement parti enter consult parti order seek solut agre amend make continu agreement request parti consult trade manioc held deem case access member gener agreement tariff trade tariff quota present gatt member result provis paragraph undermin