The General Part
Title II
Offences
Chapter V
Participation
Instigators
Art.39 – An instigator is a person who intentionally determines another person to commit an offence.
Accomplices
Art.40 – (1) An accomplice is a person who voluntarily facilitates or helps in any way in the commission of an offence.
(2) A person who promises, either before or during the commission of the offence, to conceal the proceeds emerging from it or to favour the perpetrator, even if after commission of the offence the promise is not kept, shall also be an accomplice.
Commission through another person
EDIT.