GENERAL PART
Aim of the Criminal Code
Chapter III
Obstacles of Criminal Prosecution
Title I
Grounds for the Preclusion of Punishability
Constraint and Menace
Section 26
(1) The person, who perpetrates an act under the influence of a constraint or menace which renders him incapable of acting according to his will, shall not be punishable.
(2) The punishment may be mitigated without limitation, if the constraint or menace restricts the perpetrator in acting according to his will.
EDIT.