The Eleventh Amendment of the Constitution Act 1992 (previously bill no.

It was approved by referendum on 18 June 1992 and signed into law on 16 July of the same year.

The Eleventh Amendment was introduced by a Fianna Fáil–Progressive Democrats coalition government and was also supported by opposition parties Fine Gael and the Labour Party.

Some anti-abortion groups also opposed the treaty, arguing that it might lead to legalised abortion in Ireland.

The Eleventh Amendment amended Article 29.4 by the deletion of the highlighted sentence from subsection 3°: and by the addition of the following subsections: 5° No provision of this Constitution invalidates laws enacted, acts done or measures adopted by the State which are necessitated by the obligations of membership of the European Union or of the Communities, or prevents laws enacted, acts done or measures adopted by the European Union or by the Communities or by institutions thereof, or by bodies competent under the Treaties establishing the Communities, from having the force of law in the State.