Regulation on classification and categorization of reserves of oil, condensate and natural gas and their record keeping. Country/Territory Serbia Document type Regulation Date 1987 Source FAO, FAOLEX Subject Energy Keyword Oil Energy conservation/energy production Transport/storage Classification/declassification Natural gas Geographical area Europe, Europe and Central Asia Entry into force notes This Regulation enters into force eight days after its publication in the "Official Gazette". Abstract This Regulation prescribes the uniform criteria for establishing reserves of oil, condensate and natural gases (raw materials), the conditions for classification in classes and categories, further defining the methods for elaboration and content mandatory of the study on reserves of raw materials on the territory of the Republic of Serbia. Full text Serbian Website www.mre.gov.rs