PART II
INTERNATIONAL CRIMES AND OFFENCES AGAINST ADMINISTRATION OF JUSTICE
Jurisdiction in respect of international crimes
General Principles of Criminal Law
12. (1) For the purposes of proceedings for an offence under section 9, 10 or 11—
(a) the following provisions of the Statute apply, with any necessary modifications:
(x) article 32, which relates to mistakes of fact or law; and
Mistake of fact - national proceedings
Mistake of law - national proceedings
EDIT.