Part III
Attempt and Criminal Joint Acts
Chapter II
Criminal Joint Acts
Joint acts in execution of criminal conspiracy
21. When an offence is committed by two or more persons in execution of criminal conspiracy between them, each of such persons shall be responsible for that offence in the same manner as if it is committed by him alone, and shall be punished with the penalty prescribed therefor.
Joint acts without criminal conspiracy
22. When an offence is committed by two or more persons without criminal conspiracy between them, every one of them shall be responsible for his act and shall be punished with the penalty prescribed for the offence constituted by such act.
EDIT.