 Depending upon local needs and organization, the chief may also be involved in fire prevention, fire inspection, disaster preparedness, emergency medical services, and related disciplines, as well as administrative duties such as budgets and personnel issues, research into safety and regulations, and liaison with other agencies.The chief is answerable to the local or national government that oversees the fire service.During an emergency incident, the first fire officer on the scene must "establish command", which can then be transferred to more senior officers such as the chief.