Answer:
Dispatch/Deployment
Step-by-step explanation:
Dispatch/Deployment is the 11th management characteristic of NIMS and relates to when resources should be deployed only when requested or when dispatched by an appropriate authority through established resource management systems.
In the scenario we see that the supervisor directed the staff to checkout only when requested, secondly he did so with an appropriate authority because his own boss - the American Red Cross Disaster Operations Supervisor has directed you to begin re-assigning shelter staff personnel