The final session of the day was led by Mr. David Kanja, Assistant Secretary General, Office of Internal Oversight Services. Mr. Kanja first offered an explanation of oversight mechanisms within the Office of Internal Oversight Services (OIOS). Mr. Kanja provided a brief history of the OIOS founding and its fundamental role in oversight for the Secretary-General, and then discussed the authority given to the OIOS and procedures by which the Under-Secretary General for OIOS is appointed. It was explained how OIOS provides services to the UN Secretariat and other selected entities, including but not limited to; tribunals, the UN HQ Secretariat departments and offices, offices away from UN HQ and regional commissions, and Peacekeeping and special political missions. Mr. Kanja discussed the roles of the Internal Audit Division, the Investigations Division, and the Inspection and Evaluation Division; as well as the number of reports that each of these Divisions have produced. OIOS system for following up on its recommendations that are implemented was highlighted, as well as the internal audit and evaluation reports that can be found on the OIOS website. Lastly, Mr. Kanja discussed how the OIOS interacts with the three Audit Committees, which provide advice on issues related to OIOS effectiveness, efficiency, and impact. To close the session, the floor was opened for questions, and participants received clarification and insights into how assets are managed, and flexibility produced by voluntary contributions. Mr. Marco Suazo closed the first day of the training, which resumed on 4 September 2019.