Final answer:
A personnel accountability report (PAR) would be requested during an emergency evacuation to ensure that all personnel are accounted for.
Step-by-step explanation:
A personnel accountability report (PAR) would be requested in the event of C. An emergency evacuation is ordered. In situations where there is a need to evacuate a facility or area due to a potential threat or danger, a PAR is conducted to ensure that all personnel are accounted for and no one is left behind. This is especially crucial in emergency situations to ensure the safety and well-being of everyone involved.