word | | Constitution |
| referendum | Poland | adopted by the National Assembly 2 April 1997; passed by national referendum 25 May 1997; effective 17 October 1997 |
| referendum | Qatar | ratified by public referendum 29 April 2003; endorsed by the Amir 8 June 2004, effective 9 June 2005 |
| referendum | Rwanda | new constitution passed by referendum 26 May 2003 |
| referendum | Spain | approved by legislature 31 October 1978; passed by referendum 6 December 1978; signed by the king 27 December 1978 |
| referendum | Switzerland | revision of Constitution of 1874 approved by the Federal Parliament 18 December 1998, adopted by referendum 18 April 1999, officially entered into force 1 January 2000 |
| referendum | Togo | adopted by public referendum 27 September 1992 |
| referendum | Turkey | 7 November 1982; amended several times; note - amendment passed by referendum 21 October 2007 concerning presidential elections |
| referred | European Union | ... on the present Treaty and on the Treaty on the Functioning of the European Union (hereinafter referred to as 'the Treaties')," both possessing the same legal value; Article 6 of the TEU ... |
| Reform | Christmas Island | Christmas Island Act of 1958-59 (1 October 1958) as amended by the Territories Law Reform Act of 1992 |
| Reform | Cocos (Keeling) Islands | Cocos (Keeling) Islands Act of 1955 (23 November 1955) as amended by the Territories Law Reform Act of 1992 |
| reinstated | Austria | 1 October 1920; revised 1929; reinstated 1 May 1945; revised many times; note - during the period 1 May 1934-1 May 1945 there was a fascist (corporative) constitution in place |
| reinstated | Guatemala | 31 May 1985, effective 14 January 1986; suspended 25 May 1993; reinstated 5 June 1993; amended November 1993 |
| reinstated | Haiti | approved March 1987 note: suspended June 1988 with most articles reinstated March 1989; constitutional government ousted in a military coup in September 1991, although in October 1991 military government claimed to be ... |