word | | Constitution |
| abrogated | Indonesia | August 1945; abrogated by Federal Constitution of 1949 and Provisional Constitution of 1950, restored 5 July 1959; series of amendments concluded in 2002 |
| accession | France | ... term; amended in 2005 to make the EU constitutional treaty compatible with the Constitution of France and to ensure that the decision to ratify EU accession treaties would be made by referendum |
| Accord | Lebanon | 23 May 1926; amended a number of times, most recently Charter of Lebanese National Reconciliation (Ta'if Accord) of October 1989 |
| according | Saudi Arabia | governed according to Islamic law; the Basic Law that articulates the government's rights and responsibilities was promulgated by royal decree in 1992 |
| Accords | Bosnia and Herzegovina | the Dayton Peace Accords, signed 14 December 1995 in Paris, included a new constitution now in force; note - each of the entities also has its own constitution |
| Act | Canada | ... acts, customs, judicial decisions, and traditions; the written part of the constitution consists of the Constitution Act of 29 March 1867, which created a federation of four provinces, and the Constitution Act ... |
| Act | Christmas Island | Christmas Island Act of 1958-59 (1 October 1958) as amended by the Territories Law Reform Act of 1992 |
| Act | Cocos (Keeling) Islands | Cocos (Keeling) Islands Act of 1955 (23 November 1955) as amended by the Territories Law Reform Act of 1992 |
| Act | European Union | ... European Economic Community (EEC) and the European Atomic Energy Community (Euratom) in 1957; the Single European Act in 1986; the Treaty on European Union (Maastricht) in 1992; the Treaty of Amsterdam in ... |
| Act | Guam | Organic Act of Guam, 1 August 1950 |
| Act | Isle of Man | unwritten; note - The Isle of Man Constitution Act of 1961 does not embody the unwritten Manx Constitution |