This Decree is composed of 15 articles and several Annexes. It regulates the concession to the National Fuel Company of Angola (Sonangol, E.P.) of rights for mining, exploration, research, development and liquid and gas fuels 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 consump