Chapter 1
Definitions, Objects and Interpretation of an Act (ss 1-3)
3 Objects of Act
The objects of this Act are:
(d) to enable, as far as possible and in accordance with the principle of complementarity as referred to in Article 1 of the Statute, the national prosecuting authority of the Republic to prosecute and the High Courts of the Republic to adjudicate in cases brought against any person accused of having committed a crime in the Republic and beyond the borders of the Republic in certain circumstances.
Complementarity
Jurisdiction
Jurisdiction of custodial State or State where present
Territorial jurisdiction - national proceedings
EDIT.