National Accountability Bureau is one of important law enforcement board in Pakistan. It was established in 1999 by Government of Pakistan in 1999 for prevention of corruption. It is head office in the capital city Islamabad and other regional offices in the major cities. An Ordinance was passed to make it effective. It has legal power to take action against anyone who is involved in corruption. They could be from any field. It does various investigations of corruption related crimes. It has also recovered finance which has been depraved by the offenders.