council decis januari accept behalf commun european agreement exchang therapeut substanc human origin eec council european commun regard treati establish european commun articl thereof regard propos commiss articl european agreement exchang therapeut substanc human origin contract parti measur exempt import duti therapeut substanc human origin dispos parti derog common custom tariff autonom convent fall sole compet commun entri forc addit protocol agreement enabl european econom commun contract parti agreement commun exercis compet matter derog provid agreement grant commun rule relief custom duti commun contract parti agreement decid articl european agreement exchang therapeut substanc human origin accept behalf european econom commun text agreement attach decis articl presid council author design person empow sign agreement order bind commun brussel januari council presid tindeman