Part II – International Crimes and Offences Against The Administration of Justice
General Principles of Criminal Law
19. General principles of criminal law.
(3)Where there is any inconsistency between the provisions specified in subsection (1)(a) and the provisions and principles specified in subsection (1)(b) and (1)(c), the provisions specified in subsection (1)(a) prevail.
Priority of Rome Statute over national law
EDIT.