of the Constitution of Ireland, 2 October 2009, 67.1% in favour, turnout 59.0% After the first vote by Ireland on the Lisbon Treaty, the European Council and the Irish Government released separate documents, referred to as the "Irish Guarantees", that stated the other member countries would not use the possibility in the Treaty to diminish the number of permanent commissioners in favour of a rotating system with fewer commissioners, and not threaten Ireland's military neutrality and rules on abortion. With these assurances, the Irish approved the unchanged Lisbon Treaty in a second referendum. EU enlargement of 2013 — 2012 Croatian European Union membership referendum, 22 January 2012, 66.7% in favour, turnout 43.5% Croatia was admitted as a member of the EU, acceding on 1 July 2013. European Fiscal Compact, 2012 — a referendum to approve the Thirtieth Amendment of the Constitution of Ireland, 31 May 2012, 60.4% in favour, turnout 50.5% San Marino membership application A referendum was held in San Marino on whether the country should submit an application to join the European Union as a full member state. – 2013 Sammarinese referendum, 20 October 2013, 50.28% in favour, turnout 43.38% (quorum of 32% of registered voters in favour not met.) Unified Patent Court The Unified Patent Court is a proposed court between several EU member states, that, inter alia, is to be constituted for litigation related to the European Union patent. — 2014 Danish Unified Patent Court membership referendum, 25 May 2014, 62.5% in favour, turnout 55.9% — The ratification of Ireland requires a referendum. Such a referendum has not been announced. Greek bailout referendum, 2015 — 2015 Greek bailout referendum, 5 July 2015, 61.3% against, turnout 62.5% A referendum on the bailout conditions in the Greek government-debt crisis. A majority of the voters rejected the bailout conditions. However, shortly afterwards the government accepted a bailout with even harsher conditions than the ones rejected by the voters. Danish EU opt-out referendum, 2015 The 2015 Danish European Union opt-out referendum, 53.1% against, turnout 72.0% The referendum was held to decide on converting the opt-out from participation in the area of Justice and Home Affairs area into an opt-in: the possibility for the Danes to decide on a case-by-case basis. The voters rejected the proposal. Dutch Ukraine–European Union Association Agreement referendum, 2016 — 2016 Dutch Ukraine–European Union Association Agreement referendum, 6 April 2016, 61.0% against, turnout 32.2% A consultative referendum