4. (1) When any crime as specified in section 3 is committed by several persons, each of such person is liable for that crime in the same manner as if it were done by him alone. (2) Any commander or superior officer who orders, permits, acquiesces or participates in the commission of any of the crimes specified in section 3 or is connected with any plans and activities involving the commission of such crimes or who fails or omits to discharge his duty to maintain discipline, or to control or supervise the actions of the persons under his command or his subordinates, whereby such persons or subordinates or any of them commit any such crimes, or who fails to take necessary measures to prevent the commission of such crimes, is guilty of such crimes.