PROCEDURE AND DEFENCES
14. Defence of superior orders
(1) In proceedings for an offence under any of sections 4 to 7, it is not a
defence that the accused was ordered by a government or a superior -- whether
military or civilian -- to perform the act or omission that forms the subject-matter of the
offence, unless
(a) the accused was under a legal obligation to obey orders of the government or
superior;
(b) the accused did not know that the order was unlawful; and
(c) the order was not manifestly unlawful.
Interpretation -- manifestly unlawful
(2) For the purpose of paragraph (1)(c), orders to commit genocide or crimes
against humanity are manifestly unlawful.
Manifestly unlawful order
Superior orders - national proceedings
EDIT.