(1) Except as specified in subsections (2) and (3) of this section, a permit holder shall immediately discontinue operations and notify the regulatory authority if an imminent health hazard might exist.

(2) A permit holder need not discontinue operations in an area of an establishment that is unaffected by the imminent health hazard.

(3) Considering the nature of the potential hazard involved and the complexity of the corrective action needed, the regulatory authority may agree to continuing operations in the event of an extended interruption of electrical or water service if:

(a) A written emergency operating plan has been approved;

(b) Immediate corrective action is taken to eliminate, prevent, or control any food safety risk and imminent health hazard associated with the electrical or water service interruption; and

(c) The regulatory authority is informed upon implementation of the written emergency operating plan.