The organisation should ensure a simple pathway for feedback on the effectiveness of the measures protecting people, after a real incident and after exercises, as the best route to understanding emerging issues; people must understand and trust the guidance meant to protect them if they are to respond as expected, and feedback triggers modification or reinforcement of that guidance. Any event or exercise involving external agencies such as emergency services is an opportunity to confirm that both sides' responses met expectations, and engaging the agency afterwards for feedback is essential.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.