Government performance auditing focuses on improving how governments provide programs and services. While there is no one universally agreed upon definition, there are key definitions which capture the scope of government performance auditing. According to the US Government Auditing Standards, "Performance audits are defined as audits that provide findings or conclusions based on an evaluation of sufficient, appropriate evidence against criteria." Additionally, the International Organization of Supreme Audit Institutions defines performance auditing as "an independent examination of the efficiency and effectiveness of government undertakings, programs or organizations, with due regard to economy, and the aim of leading to improvements.