Japan Oil, Gas and Metals National Corporation (JOGMEC) was established on February 29, 2004 pursuant to the Law Concerning the Japan Oil, Gas and Metals National Corporation, which was promulgated on July 26, 2002. JOGMEC integrates the functions of the former Japan National Oil Corporation, which was in charge of securing a stable supply of oil and natural gas, and the former Metal Mining Agency of Japan, which was in charge of ensuring a stable supply of nonferrous metal and mineral resources and implementing mine pollution control measures.