The Joint Inspection Unit (JIU) is a United Nations unit established by resolution 31/192 of December 22, 1976 of the General Assembly of the United Nations. [1] Its objective is to enhance the efficiency of the administrative and financial functioning of the United Nations system and, to this end, it may make on-the-spot inquiries and investigations. [1] The Joint Inspection Unit is the only independent external oversight body of the United Nations system mandated to conduct evaluations, inspections and investigations system-wide. [2] It is based in Geneva, Switzerland. [3]