Which Command Staff member approves the Incident Action Plan and all requests pertaining to the ordering and releasing of incident resources?

A. Safety Officer

B. Liaison Officer

C. Public Information Officer

D. Incident Commander

Answer: Incident commander

Explanation: Incident commander is that individual on whose authority, the whole team responding to an incident will act. Incident commander is responsible for setting priorities and objectives while acting on an incident.

These types of designations are usually given to the heads of relief teams acting on some disaster or natural calamity.

Hence from the above we can conclude that the right option is D.