The purpose of this Act is to protect users' interests by rationally adjusting and fostering urban gas business and to secure public safety by devising the sound development of urban gas business and prescribing matters on the installation, maintenance and safety management of gas supply facilities and gas using facilities. This Act amends previous Acts.

The purpose of this Act is to seek the sound development of electrical construction business and secure the safe and appropriate execution of electrical construction by prescribing basic matters concerning electrical construction business and the execution, technical management of and contracting for electrical construction. This Act amends previous Acts.

The purpose of this Act is to promote the sound development of the electric utility and protect the interest of the consumers of electricity by establishing the basic system, and by promoting the competitiveness, of the electric utility and thereby to contribute to the progress of the national economy. This Act amends previous Acts and has been amended by subsequent Acts.

The purpose of this Act is to provide for matters concerning the research, development, production and use of nuclear energy (hereinafter referred to as "use of nuclear energy") to contribute to the enhancement of publiclifestyles and welfare by facilitating the advancement of academic research and industrial development. This Act amends previous Acts and has been amended by subsequent Acts.

The Integrated Energy Supply Act Act aims to actively cope with the United Nations Framework Convention on Climate Change and to contribute to energy conservation. In doing so, it promotes the expansion of the integrated energy supply, by operating the integrated energy supply reasonably and by prescribing the matters concerning the construction, operation and safety of integrated energy facilities. This Act amends previous Acts.

The purpose of this Act is to develop and support biotechnology more efficiently by laying the foundation of biotechnology research and to con- tribute to the sound progress of the national economy by facilitating the industrialization of the technology. This Act partially amends previous Acts.

The purpose of this Act is to seek rational ways in exploiting underground resources by preventing hazards to miners, as well as mining damage. This Act amends previous Acts.

The purpose of this Decree is to prescribe the matters mandated by the Mining Industry Act and the matters necessary for the enforcement thereof. Note: The term "minerals" includes coal and petroleum (including natural pitch and inflammable natural gas). This Decree partially amends previous Decrees.

The purpose of this Act is to prescribe a basic framework for the mining industry to promote the development of national industries through the rational exploitation of mineral resources. Note: The term "minerals" includes coal, petroleum (including natural pitch and inflammable natural gas). This Act amends previous Acts.

The purpose of this Act is to develop the national economy and improve the people's lives by stabilizing the supply and demand as well as the prices of petroleum and ensuring the proper quality of petroleum products and petroleum substitute fuel. This Act replaces previous Acts and has been amended by subsequent Acts.