BOOK III — CRIMES AND MISDEMEANOURS
TITLE I — OFFENCES AGAINST THE STATE
CHAPTER II — OFFENCES BY PUBLIC OFFICERS
90 Penalty not applicable for acting under order of superior
The punishments specified in sections 88 and 89 shall not cease to be applicable to such functionaries or persons employed who shall have acted by order of their superior, unless the order is given by such superior for matters within his competence, and in relation to which obedience was due to such superior, in which cases the punishments above mentioned shall only be applicable to the superior who gave the order, unless he can prove that he likewise has acted under an order from superior authority.
Manifestly unlawful order
Superior orders - national proceedings
EDIT.