Moldova:
based on civil law system; Constitutional Court reviews
legality of legislative acts and governmental decisions of
resolution; it is unclear if Moldova accepts compulsory ICJ
jurisdiction but accepts many UN and Organization for Security and
Cooperation in Europe (OSCE) documents

Monaco:
based on French law; has not accepted compulsory ICJ
jurisdiction

Mongolia:
blend of Russian, Chinese, Turkish, and Western systems of
law that combines aspects of a parliamentary system with some
aspects of a presidential system; constitution ambiguous on judicial
review of legislative acts; has not accepted compulsory ICJ
jurisdiction

Montserrat:
English common law and statutory law

Morocco:
based on Islamic law and French and Spanish civil law
system; judicial review of legislative acts in Constitutional
Chamber of Supreme Court

Mozambique:
based on Portuguese civil law system and customary law

Namibia:
based on Roman-Dutch law and 1990 constitution

Nauru:
acts of the Nauru Parliament and British common law

Navassa Island:
the laws of the US, where applicable, apply

Nepal:
based on Hindu legal concepts and English common law; has not
accepted compulsory ICJ jurisdiction