For organizations providing disaster services, the aim of developing a contingency plan is to ensure optimal response to an emergency  to minimize the impact on service provision. A disaster contingency plan is made up of action plans abbreviated as "PPRR" as follows:
- Prevention or mitigation,
- Response and
Apart from measures to reduce tangible losses, organizations can incorporate psychosocial components into their contingency plans, given how disasters may bring about psychological and social impacts to the affected population. At the international level, institutes such as World Health Organization (WHO) and Inter-Agency Standing Committee (IASC) have already developed specific guidelines on mental health and psychosocial support. They also encourage organizations to prepare their own disaster contingency plans to address related psychosocial needs .
-  Adapted from Contingency planning, International Federation of Red Cross and Red Crescent Societies.
-  Adapted from Disaster triage and management manual (Hospital Authority, 2014).