Welcome to the United Nations


OIOS assists the Secretary-General in fulfilling his oversight responsibilities in respect of the resources and staff of the Organization. OIOS’ mandate covers personnel and resources of the United Nations Secretariat.

Complaints relating to other UN entities, such as separately administered funds, programmes, and specialised agencies with their own oversight bodies, should be sent directly to them:*

*This list is not exhaustive of the oversight bodies in the United Nations system

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