Decree-Law No. 15/78 establishing an Exclusive Economic Zone. Country/Territory Sao Tome and Principe Document type Legislation Date 1978 Source FAO, FAOLEX Subject Sea Keyword Maritime zone EEZ-Exclusive Economic Zone Navigation Sovereignty Geographical area Africa, Central Africa, Least Developed Countries, Small Island Developing States Entry into force notes This Decree-Law enters into force immediately. Abstract This Decree creates an Exclusive Economic Zone of 200 nautical miles, measured from the baseline of the territorial sea. Full text French References - Legislation Repealed by Law No. 1/98 on the delimitation of the territorial sea and the Exclusive Economic Zone. Legislation | Sao Tome and Principe | 1998 Keyword: Maritime zone, Territorial sea, EEZ-Exclusive Economic Zone, Sovereignty Source: FAO, FAOLEX