common posit decemb defin council basi articl treati european union regard suspens restrict trade feder republ yugoslavia serbia montenegro bosnian serb cfsp council european union regard treati european union articl thereof regard resolut adopt unit nation secur council novemb defin common posit articl restrict econom financi relat feder republ yugoslavia serbia montenegro bosnian serb suspend accord provis resolut adopt unit nation secur council novemb articl common posit publish offici journal brussel decemb council presid solana