word | | Legal system |
| compulsory | Moldova | ... system; Constitutional Court reviews legality of legislative acts and governmental decisions of resolution; accepts many UN and Organization for Security and Cooperation in Europe (OSCE) documents; has not accepted compulsory ICJ jurisdiction |
| compulsory | Monaco | based on French law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Mongolia | ... case-precedent may be used to inform judges, but all decisions must refer to the law as written; constitution ambiguous on judicial review of legislative acts; has not accepted compulsory ICJ jurisdiction |
| compulsory | Montenegro | based on civil law system; has not accepted compulsory ICJ jurisdiction |
| compulsory | Morocco | based on Islamic law and French and Spanish civil law systems; judicial review of legislative acts in Constitutional Chamber of Supreme Court; has not accepted compulsory ICJ jurisdiction |
| compulsory | Mozambique | based on Portuguese civil law system and customary law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Namibia | based on Roman-Dutch law and 1990 constitution; has not accepted compulsory ICJ jurisdiction |
| compulsory | Nauru | acts of the Nauru Parliament and British common law; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Nepal | based on Hindu legal concepts and English common law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Netherlands | based on civil law system incorporating French penal theory; constitution does not permit judicial review of acts of the States General; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | New Zealand | based on English law, with special land legislation and land courts for the Maori; accepts compulsory ICJ jurisdiction with reservations |
| compulsory | Nicaragua | civil law system; Supreme Court may review administrative acts; accepts compulsory ICJ jurisdiction |
| compulsory | Niger | based on French civil law system and customary law; has not accepted compulsory ICJ jurisdiction |
| compulsory | Nigeria | based on English common law, Islamic law (in 12 northern states), and traditional law; accepts compulsory ICJ jurisdiction with reservations |