BOOK I
GENERAL PART
TITLE II
ON CRIME
CHAPTER V
CAUSES FOR EXCLUSION
SECTION II
CAUSES FOR EXCLUSION OF GUILT
Article 50. Exculpatory undue obedience
A public servant who obeys an order not knowing that it leads to commission of a crime, acts without guilt, if the unlawfulness of the act is not evident from the circumstances surrounding it.
Manifestly unlawful order
Superior orders - national proceedings
EDIT.