council decis april conclus agreement form exchang letter european commun republ chile ad protocol mutual administr assist custom matter framework cooper agreement european commun member state part republ chile part ec council european union regard treati establish european commun articl conjunct sentenc articl thereof regard propos commiss mutual administr assist custom matter parti provid articl framework cooper agreement lead ultim establish polit econom associ european commun member state part republ chile part protocol ad agreement negoti effect place chile led agreement form exchang letter commun interest approv decid articl agreement form exchang letter european commun republ chile ad protocol mutual administr assist custom matter framework cooper agreement approv behalf commun text agreement form exchang letter attach decis articl presid council authoris design person enpow sign agreement order bind commun articl presid council behalf commun give notif provid agreement form exchang letter luxembourg april council presid rosengren oj date entri forc protocol publish offici journal european commun gener secretariat council