Eleventh Amendment of the Constitution of Ireland

For the Irish Free State constitutional amendment, see Constitution (Amendment No. 11) Act 1929.

Eleventh Amendment of the Constitution of Ireland
18 June 1992 (1992-06-18)
To permit the state to ratify the Maastricht Treaty
Results
Choice
 Votes %
Yes 1,001,076 69.05%
No 448,655 30.95%
Valid votes 1,449,731 99.49%
Invalid or blank votes 7,488 0.51%
Total votes 1,457,219 100.00%
Registered voters/turnout 2,542,840 57.31%

The Eleventh Amendment of the Constitution Act 1992 (previously bill no. 12 of 1992) is an amendment to the Constitution of Ireland which permitted the state to ratify the Treaty on European Union, commonly known as the Maastricht Treaty. It was approved by referendum on 18 June 1992 and signed into law on 16 July of the same year.