Permits shall be issued to natural and legal persons or a group of such persons specifying the types of research to be carried out. Authorization may be granted for one or more types of research. Permits are issued for direct and remote (except hydrocarbon) geological exploration of the underground depths, which are divided into the following types according to the object, research methods and purpose of the underground exploration: mining and exploration (of which: hydrocarbons; ores); groundwater exploration and exploration of all types (including thermal energy of the subsoil); search and exploration of subsoil cavities; subsoil mapping (geological; hydrogeological; geochemical; aerophotogeological; ecogeological; engineering geological; mineral resources; geophysical); engineering geological (geotechnical) research; ecogeological research; geophysical survey; other uses.