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As a constitutional organization that is independent of the Cabinet and belongs neither to the Diet nor to the Courts, the Board of Audit (hereinafter referred to as 'the Board') audits the State accounts as well as those of public organizations and other bodies as provided by law, and also supervises financial management to ensure its adequacy.


The Board has been given the mandate of government auditing since its establishment in 1880, despite some changes in its status.

Every country in the world has its own government auditing institution in order to ensure proper administration of public finance, while the name, status or type of organization varies.

The Constitution of Japan
Article90 Final accounts of the expenditures and revenues of the State shall be audited annually by the Board of Audit and submitted by the Cabinet to the Diet, together with the statement of audit(Note), during the fiscal year immediately following the period covered.
The organization and competency of the Board of Audit shall be determined by law.
  (Note)The statement of audit is also called the Audit Report.
The Board of Audit Act
Article1 The Board of Audit has a status independent from the Cabinet.
Article20 (1) The Board of Audit audits the final accounts of the expenditures and revenues of the State, pursuant to the provisions of Article 90 of the Constitution of Japan, and also audits such accounts as are provided for by law.
(2) The Board of Audit continuously conducts its audit, supervises financial management, ensures its adequacy, and rectifies any defects.
(3) The Board of Audit shall conduct its audit with the objective of accuracy, regularity, economy, efficiency, effectiveness, or other objectives necessary for auditing.
3-2-2,Kasumigaseki,Chiyoda-ku,Tokyo 100-8941 Japan[Map (PDF:54KB)]
(c)2011 Board of Audit of Japan