It is critically important to validate all the preparation and pre-planning that the organisation has made. This includes the PRACTICAL APPLICATION of the preparation and pre-planning.
A crisis event (or notable business interruption) is a major event for any organisation and it needs to be managed (Commanded) and recovered correctly.
One of the most common failiures we see in business response to a Crisis event is not the planning, but that no validation has been undertaken to ensure the plans are usable and the Crisis Team have the skills to enact any actions or requirements.