council decis octob common posit defin basi articl treati european union suspens restrict trade feder republ yugoslavia serbia montenegro cfsp council european union regard treati european union articl thereof regard resolut adopt septemb unit nation secur council decid articl accord resolut adopt septemb unit nation secur council restrict trade feder republ yugoslavia serbia montenegro suspend articl decis publish offici journal luxembourg octob council presid waigel