Office of Internal Oversight Services
Item ID
UNAgency ID
Policy Framework
General Assembly resolutions 48/218B, 54/244 and 59/272 on the establishment and the review of functions and reporting procedures of OIOS. According to the United Nations Financial Regulation 5.15, OIOS is responsible for conducting independent internal audits. These audits are carried out in accordance with the International Standards for the Professional Practice of Internal Auditing.
The Office of Internal Oversight Services (OIOS) is the internal oversight body of the United Nations. Established in 1994 by the General Assembly, the Office assists the Secretary-General in fulfilling his oversight responsibilities in respect of the resources and staff of the Organization through the provision of audit, investigation, inspection, and evaluation services. Internal Audit Division audits assess the adequacy and effectiveness of internal controls for the purpose of improving the Organization’s risk management, control and governance processes. Inspection and Evaluation Division evaluations assess the relevance, efficiency, and effectiveness (including impact) of the Organization’s programmes in relation to their objectives and mandates. Investigations Division investigations establish facts related to reports of possible misconduct to guide the Secretary-General on jurisdictional or disciplinary action to be taken.
Mail Address
United Nations, New York, NY 10017. USA
Areas of Work
OIOS assists the Organization in achieving better results by determining the factors affecting the efficient and effective implementation of programmes in accordance with, inter alia, the internationally agreed development goals, including those contained in the United Nations Millennium Development Goals, and in the outcomes of the major United Nations conferences and international agreements since 1992. OIOS undertakes a number of activities to support the commitment of the Organization to gender mainstreaming, including oversight of United Nations gender mainstreaming efforts.
Agency Type
Office of Internal Oversight Services

Oct 2009 - Feb 2010 | OIOS

As part of its Investigations Learning Programme (ILP), the Investigations Division of OIOS has successfully launched a Sexual Exploitation and Abuse Basic Investigations Training Course for the various investigative entities in the UN system, such as Military Police and Special Investigations Units.

Oct 2009 - Feb 2010 | OIOS

In its risk assessment of Secretariat departments, offices, regional commissions and peacekeeping and political missions, OIOS identified governance and organizational arrangements as a high risk area. OIOS had conducted, in 2008, an audit of the management of the Office of the Special Adviser on Gender Issues (OSAGI) and the Division for the Advancement of Women (DAW) within the Department of Economic and Social Affairs (DESA). OIOS recommended that DESA, in consultation with the Secretary-General, should consolidate OSAGI and DAW into one single programme within DESA.

Mar 2011 - Jan 2012 | OIOS

OIOS’ evaluation of the United Nations Mission in the Sudan (UNMIS) showed that progress had been made in mainstreaming gender into the Mission's agenda and tasks. For example, the Mission prepared gender equality guidelines and a gender strategy, which was instrumental in establishing Vulnerable Persons Protection Units in all Sudanese police stations and had demobilized more than 6,000 women combatants by September 2010.

Mar 2009 - Sept 2009 | OIOS

OIOS recently commenced a thematic evaluation of the start-up phase of the Secretary-General’s Campaign “UNiTE to End Violence against Women”. The evaluation will also consider the broader framework in which the campaign is carried out, namely the UN’s work on gender mainstreaming and gender equality.