The Prosecution Bureau consists of four Divisions. In addition, there is a separate staff of research prosecutors.

Introduction Its functions are to establish and improve the comprehensive plan for prosecution administration, to make the compilation of budgets for the prosecutorial organizations, to deal with the affairs related to its facilities and its equipment, and to supervise the personnel management of prosecutorial officials. In addition, it directs and supervises the suppression and prevention of crime as well as the execution of sentences.

It deals with affairs concerning pardon, commutation and reinstatement of civil rights, and it establishes and executes national security measures.

Other functions are the drafting and revision of laws pertaining to criminal matters, and the oversight of cooperative efforts to combat international crime, such as the extradition of criminals and the mutual legal assistance in criminal matters, arising in relation to foreign countries. The responsibility for planning, research and study, concerning prosecutorial matters, also constitutes one of the functions of the Bureau.

The Bureau also manages the relief program for crime victims, furnishing payment of monetary compensation to the families of those killed because of criminal acts, which have inflicted harm against their persons or lives. It also compensates those victims suffering major disabilities from such acts. Furthermore, it deals with affairs concerning the provision of compensation to those persons who were detained, but were subsequently found not guilty at the conclusion of the investigation or the trial proceedings.