Sierra Leone:
based on English law and customary laws indigenous to
local tribes; has not accepted compulsory ICJ jurisdiction

Singapore:
based on English common law; has not accepted compulsory
ICJ jurisdiction

Slovakia:
civil law system based on Austro-Hungarian codes; has not
accepted compulsory ICJ jurisdiction; legal code modified to comply
with the obligations of Organization on Security and Cooperation in
Europe (OSCE) and to expunge Marxist-Leninist legal theory

Slovenia:
based on civil law system

Solomon Islands:
English common law

Somalia:
NA

South Africa:
based on Roman-Dutch law and English common law;
accepts compulsory ICJ jurisdiction, with reservations

South Georgia and the South Sandwich Islands:
the laws of the UK,
where applicable, apply

Spain:
civil law system, with regional applications; has not
accepted compulsory ICJ jurisdiction

Sri Lanka:
a highly complex mixture of English common law,
Roman-Dutch, Muslim, Sinhalese, and customary law; has not accepted
compulsory ICJ jurisdiction