council decis octob conclus agreement form exchang letter european commun republ hungari amend annex viiia ixb xb europ agreement european commun member state part republ hungari part ec council european union regard treati establish european commun articl conjunct sentenc articl thereof regard propos commiss amend annex viiia xb europ agreement european commun member state part republ hungari part sign brussel decemb give effect request hungarian govern amend annex ixb agreement request commun agreement form exchang letter negoti give effect thereto approv decid articl agreement form exchang letter european commun republ hungari amend annex viiia ixb xb europ agreement european commun member state part republ hungari part approv behalf commun text agreement attach decis articl presid council author design person empow sign agreement order bind commun luxembourg octob council presid borchert