council decis decemb conclus agreement european econom commun member state intern develop associ eec council european commun regard treati establish european econom commun regard propos commiss agreement european econom commun member state hand intern develop associ hand sign brussel conclud decid articl agreement european econom commun member state intern develop associ approv behalf commun text agreement attach decis articl approv agreement notifi accord section articl agreement articl decis publish offici journal european commun brussel decemb council presid otto graf lambsdorff agreement enter forc accord titl articl thereof januari