Section II. A Crime
Article 37. The Execution of an Order or an Instruction
1. The causation of damage to interests protected by the present Code by a person who acted in pursuance of an order or instruction obligatory for him shall not be considered a crime. Criminal liability for the causation of such damage shall be borne by a person who issued an illegal order or instruction.
2. A person having committed a deliberate crime in pursuance of an inherently illegal order or instruction, shall bear criminal liability on general bases. Non-execution of a deliberately illegal order or instruction shall exclude criminal liability.
Manifestly unlawful order
Superior orders - national proceedings
EDIT.