The activities of the United Nations Security Council have radically c
hanged after the end of the Cold War. In particular, the Council's cap
acity to take effective action with regard to the maintenance of inter
national peace and security has improved considerably. The article dea
ls with the rules of procedure and working methods of the Council. It
analyses the increased use of consultation mechanisms behind closed do
ors. These procedures signify to a large extent new cooperation patter
ns between the five permanent members of the Council, as well as other
members' attempts at counterbalancing the great powers. Moreover, the
re appear to be general tendencies toward less formality and more flex
ibility in the procedures as well as a larger degree of delegation of
powers to subsidiary and other bodies.