council decis post clearanc recoveri custom debt council european union regard treati establish european commun articl thereof preferenti arrang part common commerci polici applic develop cooper polici preferenti custom arrang base mutual trust author parti concern context arrang act countri author lead irregular law stand present correct charg custom debt commun trader situat unfair commun trader detect irregular act countri author european parliament council propos regul amend council regul eec octob establish commun custom code articl enabl commun trader obtain bind origin inform period possibl improv situat commun trader resolv problem request commiss carri studi view find solut recoveri problem mention submit decemb propos cover past futur situat brussel council presid bogi oj regul amend act access