During this reporting period, the Special Inspector General for Iraq Reconstruction (SIGIR) has conducted audits and investigations to prevent fraud, waste, and abuse in the programs and operations funded by the Iraq Relief and Reconstruction Fund1 (IRRF). The SIGIR continued to aggressively promote economy, ef ciency, and effectiveness in the administration of programs funded by the IRRF. Since the April 2005 Quarterly Report, the SIGIR has increased its capability to provide independent and objective leadership to coordinate the diverse activities of the multiple agencies and organizations involved in Iraq reconstruction.