209. Jurisdiction in international law.

The concept of jurisdiction in international law has strong links with the notion of sovereignty. International law recognises the capacity of a state to exercise certain powers including:


    (1)     competence to prescribe rules of conduct1;


    (2)     competence to enforce those rules of conduct by executive action2; and


    (3)     competence to try persons and hear causes of action by judicial means3.

But in recognising that capacity the rules of international law concerning jurisdiction are not concerned with the substantive municipal law of a state, which is usually a matter of its domestic jurisdiction. Instead they generally confer powers on a state