council decis novemb conclus agreement form exchang letter european econom commun swiss confeder trade arrang soup sauc condiment eec council european commun regard treati establish european econom commun articl thereof regard propos commiss agreement conclud european econom commun swiss confeder juli contract parti undertak promot expans reciproc trade interest commun hand swiss confeder foster trade soup sauc condiment mean reciproc tariff concess commiss conduct negoti respect swiss confeder negoti result agreement decid articl agreement form exchang letter swiss confeder european econom commun trade arrang soup sauc condiment approv behalf commun text agreement attach decis articl presid council author design person empow sign agreement refer articl order bind commun brussel novemb council presid schlechter