Non-Commercial Partnership “National Association for Subsoil Use Auditing” (NP “NAEN”) was founded in November 2004 and incorporates the major Russian companies in the field of subsoil use. Since 2006 publishes inter-industry scientific and technical journal “Subsoil use – XXI Century”, since 2007 coordinates the activities of the Russian Society of Subsoil Use Experts (OERN) – Russian mining and geological professionals. The purpose of the society is the accumulation and synthesis of specialised knowledge, professional experience, the formation of the expert community. NP “NAEN” is recognised by international organisations (CRIRSCO, European Federation of Geologists), it has developed the Code for the Public Reporting of Exploration Results, Mineral Resources and Reserves (NAEN Code) and it regularly holds seminars, conferences and provides consulting services.