sentences:  On 2 June 2004, the United Nations Office of Internal Oversight Services (OIOS), which was tasked with investigating the accusation, sent its report to UN Secretary-General Kofi Annan.In its public annual report to the UN Secretary-General (presented to the UN General Assembly), the OIOS reported concerning the case that it had "submitted a report to the Secretary-General supporting the allegations and recommended that appropriate actions be taken accordingly.