An Act to provide for the detention, prosecution and punishment of persons for genocide, crimes against humanity, war crimes and other crimes under international law.
3 (2) The following acts or any of them are crimes within the jurisdiction of a Tribunal for which there shall be individual responsibility, namely:-
(g) attempt, abetment or conspiracy to commit any such crimes;
(h) complicity in or failure to prevent commission of any such crimes
Individual criminal responsibility
EDIT.