council decis juli conclus agreement form exchang letter amend agreement european econom commun swiss confeder chees eec council european commun regard treati establish european econom commun articl thereof regard recommend commiss agreement european econom commun swiss confeder chees negoti articl xxviii gener agreement tariff trade gatt approv council decis eec establish thing weight limit chees concern bilater consult decid advis light experi amend weight limit sbrinz chees prove restrict agreement form exchang letter amend aforesaid agreement approv decid articl agreement form exchang letter amend agreement european econom commun swiss confeder chees approv behalf commun text agreement attach decis articl presid council author design person empow sign agreement order bind commun brussel juli council presid simonsen oj