GENERAL PART
Aim of the Criminal Code

Chapter II
The Act of Crime and the Perpetrator

Title II
Attempt and Preparation

Section 17

(3) The person, due to the voluntary desisting of whom the finishing of the crime has not taken place, furthermore, the person who voluntarily prevents the occurrence of the result, shall not be punishable for attempt.

GENERAL PART
Aim of the Criminal Code

Chapter II
The Act of Crime and the Perpetrator

Title II
Attempt and Preparation

Section 18

(2) That person shall not be punishable for preparation

a) due to the voluntary desisting of whom the commencement of the perpetration of the crime does not take place ;
b) who withdraws his invitation, offer, undertaking with the aim of the prevention of the perpetration, or makes efforts so that the other contributors desist from the perpetration, provided that the commencement of the perpetration does not take place for any reason whatsoever ;
c) who informs the authority about the preparation.

Article 25
Individual criminal responsibility
3. In accordance with this Statute, a person shall be criminally responsible and liable for punishment for a crime within the jurisdiction of the Court if that person:
(f) Attempts to commit such a crime by taking action that commences its execution by means of a substantial step, but the crime does not occur because of circumstances independent of the person's intentions. However, a person who abandons the effort to commit the crime or otherwise prevents the completion of the crime shall not be liable for punishment under this Statute for the attempt to commit that crime if that person completely and voluntarily gave up the criminal purpose.