What must be included in an incident command system?

An incident command system (ICS) is a standardized approach to incident management that ensures effective coordination of personnel, equipment, and resources. A risk management plan is integral to this system because it outlines the strategies for identifying, assessing, and mitigating risks associated with an incident. By having a risk management plan included, the ICS can prioritize safety for all personnel involved and ensure that potential hazards are managed effectively.

The other options, while important in their own contexts, are not fundamental components of the ICS framework. A budget is often a logistical consideration but does not directly pertain to the immediate management of incidents. Personnel codes could be relevant to human resources but do not specifically enhance the operational effectiveness of an ICS. Similarly, a time sheet detailing hours per task is more administrative and does not play a role in the command or management of an incident itself. Thus, the inclusion of a risk management plan is crucial for ensuring safety and effectiveness within the incident command structure.