Chapter III. Attempt and Participation.
Art. 22
Any person who in word or deed provides aid in the commission of a punishable act defined in this Act, or takes, by persuasion, exhortation or otherwise a part in committing such act, shall be punished as provided for in the provision applying to the offence.
If the role of a participant in the commission of an offence is of minor nature, or if it involves the strengthening of another person's resolve already formed, if the offence has not been completed, or if the planned participation has failed, penalty may be ordered which is lower than that prescribed in the applicable provision.
Commission through another person
EDIT.