LAW OF THE REPUBLIC OF INDONESIA NUMBER 4 OF 2009 .
Law on Mineral and Coal Mining. In View Of: Article 5 paragraph (1), Article 20, and Article 33 paragraph (2) of the 1945 Constitution of the Republic of Indonesia. With the Agreement of: THE HOUSE OF REPRESENTATIVES OF THE REPUBLIC OF INDONESIA and THE PRESIDENT OF THE REPUBLIC OF INDONESIA DECIDES: To Confirm: THE LAW ON MINERALS AND COAL MINING