PART I
GENERAL PART
BOOK I
CRIMES AND CRIMINALS
TITLE II
THE CRIME AND ITS COMMISSION
CHAPTER II
DEGREES IN THE COMMISSION OF THE CRIME
Article 29.- Crime Impossible of Completion.
When a criminal has attempted to commit a crime by means or against an object of such nature that the commission of the crime was absolutely impossible, the Court shall, without restriction, reduce the punishment (Art. 180).
No punishment shall be imposed when the criminal, from superstition or owing to the simplicity of his mind acted by using means or processes, which could in no case have a harmful effect.
The above provisions of this Article shall similarly apply to an instigator or an accomplice .
Unique provision - modes of liability
EDIT.