Enforcement Rules of the Atomic Energy Law Article 42

While a nuclear reactor is starting up, refueling, or increasing power after reducing it , a senior operator must be on site to supervise. While a nuclear reactor is in operation. There must be more than one licensed operator on duty in the control room.The control equipment which directly affects the reactivity or power of a reactor must be operated by a licensed operator except under the conditions of article 44. Other equipment which indirectly affects the reactivity or power of a reactor must be operated under the permission of a licensed operator.