word | | Legal system |
| Austro | Slovakia | civil law system based on Austro-Hungarian codes; note - legal code modified to comply with the obligations of Organization on Security and Cooperation in Europe and to expunge Marxist-Leninist legal system |
| Authority | Cambodia | civil law system (influenced by the UN Transitional Authority in Cambodia) customary law, Communist legal theory, and common law |
| authority | Christmas Island | legal system is under the authority of the governor general of Australia and Australian law |
| authorization | Antarctica | ... 60 and 90 degrees south latitude, is subject to a number of relevant legal instruments and authorization procedures adopted by the states party to the Antarctic Treaty; note - US law, including certain ... |
| authorized | Antarctica | ... 16 U.S.C. section 2401 et seq., provides civil and criminal penalties for the following activities unless authorized by regulation of statute: the taking of native mammals or birds; the introduction of nonindigenous ... |
| autonomy | New Caledonia | civil law system based on French law; the 1988 Matignon Accords grant substantial autonomy to the islands |
| Base | Akrotiri | the Sovereign Base Area Administration has its own court system to deal with civil and criminal matters; laws applicable to the Cypriot population are, as far as possible, the same as the ... |
| Base | Dhekelia | the Sovereign Base Area Administration has its own court system to deal with civil and criminal matters; laws applicable to the Cypriot population are, as far as possible, the same as the ... |
| base | Sao Tome and Principe | mixed legal system of civil law base on the Portuguese model and customary law |
| based | Angola | civil legal system based on Portuguese civil law; no judicial review of legislative acts |
| based | Anguilla | common law based on the English model |
| based | Antigua and Barbuda | common law based on the English model |
| based | Argentina | civil law system based on West European legal systems; note - efforts at civil code reform begun in the mid-1980s has stagnated |