This Decree is composed of 20 articles and five Annexes. It regulates the concession to the National Fuel Company of Angola (Sonangol, E.P.) of rights for mining, exploration, research, development and fuel production within the area defined in Annex A. The Decree-Law defines the concessionary’s rights and obligations and regulates the participation of foreign companies in exploration activities. Particular attention is paid to the regulation of guaranties regarding national fuel consumption nee