The International Committee of the Red Cross (ICRC), while recognising that it is "primarily the duty and responsibility of a nation to safeguard the health and physical well-being of its own people", knew there would always, especially in times of war, be a "need for voluntary agencies to supplement…the official agencies charged with these responsibilities in every country." To ensure that its mission was widely accepted, it required a body of rules to govern its own activities and those of the involved belligerent parties.