The Mineral Resources and Petroleum Authority, on behalf of the Ministry, issues exploration licences for an initial period of three years with up to three extensions of three years each. The Authority also issues special (i.e. exploitation) licences. The Ministry of Mining and Heavy Industry has a special commission to review the feasibility study. This commission is comprised of government specialists including from the Ministry of Mining and Heavy Industry, the Ministry of Environment and Tourism, the Ministry of Finance, the Mineral Resources and Petroleum Authority, the National Association of Mining, the Mongolia University of Science and Technology and the Mining Professional Union.