Formed under Law Number 30 Year 2002 on Corruption Eradication Commission, Corruption Eradication Commission (KPK) is mandated to eradicate corruption professionally, intensively and continuously. KPK is an independent state institution, which in carrying out its duties and authority is free from any power.

KPK was formed not to take over the task of eradicating corruption from existing institutions. The explanation of the law states the role of the KPK as a trigger mechanism, which means encouraging or as a stimulus for corruption eradication efforts by pre-existing institutions to be more effective and efficient.

The duties of the KPK are: coordination with institutions authorized to eradicate corruption (TPK); supervision of the authority authorized to eradicate TPK; conduct investigations, investigations and prosecutions of TPK; take precautionary measures of TPK; and monitor the implementation of state governance.

In performing its duties, KPK is guided by five principles, namely: legal certainty, openness, accountability, public interest, and proportionality. The KPK is accountable to the public and submits its report openly and periodically to the President, DPR, and BPK.
The KPK is chaired by a five-person KPK, a chairman concurrently member and four vice-chairmen concurrently members. The five KPK leaders are state officials, who come from elements of government and elements of society. The KPK leadership holds office for four years and can be re-elected only for one term. In decision-making, KPK leadership is collective collegial.

The KPK leadership in charge of four areas, which consists of Prevention, Enforcement, Information and Data, and Internal Monitoring and Public Complaint. Each of these fields is led by a deputy. The KPK is also assisted by the Secretariat General, led by a Secretary-General who is appointed and dismissed by the President of the Republic of Indonesia, but is accountable to the KPK leadership.

Provisions on the KPK's organizational structure are arranged in such a way as to enable the wider community to participate in KPK's activities and steps. In operational execution, KPK appoints recruited personnel in accordance with the required competence.