Treaty of Nice

This article is about the EU treaty of 2001. For the 1892 treaty between Italy and France, see Treaty of Nice (1892).
Treaty of Nice
Treaty of Nice amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts
Type Amender of previous treaties
Signed 26 February 2001
Location Nice, France
Effective 1 February 2003
Signatories 2001 EU members (EU-15)
Treaty of Nice at Wikisource

The Treaty of Nice was signed by European leaders on 26 February 2001 and came into force on 1 February 2003.

It amended the Maastricht Treaty (or the Treaty on European Union) and the Treaty of Rome (or the Treaty establishing the European Community which, before the Maastricht Treaty, was the Treaty establishing the European Economic Community). The Treaty of Nice reformed the institutional structure of the European Union to withstand eastward expansion, a task which was originally intended to have been done by the Amsterdam Treaty, but failed to be addressed at the time.

The entrance into force of the treaty was in doubt for a time, after its initial rejection by Irish voters in a referendum in June 2001. This referendum result was reversed in a subsequent referendum held a little over a year later.

Provisions of the treaty

The Nice Treaty was attacked by many people as a flawed compromise. Germany had demanded that its greater population be reflected in a higher vote weighting in the Council; this was opposed by France, who insisted that the symbolic parity between France and Germany be maintained. The Commission had proposed to replace the old weighted voting system with a double majority system which would require those voting in favour to represent a majority of both member states and population for a proposal to be approved.[1] This was also rejected by France for similar reasons. A compromise was reached, which provided for a double majority of Member States and votes cast, and in which a Member State could optionally request verification that the countries voting in favour represented a sufficient proportion of the EU's population.

Voting weights in the Council of the European Union as decided in the Treaty of Nice, effective as of 1 November 2004:[2][3][4]
Country Voting

Germany 29 82.0 1.00
United Kingdom 29 59.4 1.38
France 29 59.1 1.39
Italy 29 57.7 1.42
Spain 27 39.4 1.94
Poland 27 38.6 1.98
Romania 14 22.3 1.78
Netherlands 13 15.8 2.33
Greece 12 10.6 3.20
Czech Republic 12 10.3 3.29
Belgium 12 10.2 3.33
Hungary 12 10.0 3.39
Portugal 12 9.9 3.42
Sweden 10 8.9 3.18
Austria 10 8.1 3.49
Bulgaria 10 7.7 3.67
Slovakia 7 5.4 3.67
Denmark 7 5.3 3.73
Finland 7 5.2 3.81
Lithuania 7 3.7 5.35
Ireland 7 3.7 5.35
Latvia 4 2.4 4.71
Slovenia 4 2.0 5.67
Estonia 4 1.4 8.08
Cyprus 4 0.8 14.14
Luxembourg 4 0.4 28.28
Malta 3 0.4 21.26

  Total 345 490

The Treaty provided for an increase after enlargement of the number of seats in the European Parliament to 732, which exceeded the cap established by the Treaty of Amsterdam.

The question of a reduction in the size of the European Commission after enlargement was resolved to a degree the Treaty providing that once the number of Member States reached 27, the number of Commissioners appointed in the subsequent Commission would be reduced by the Council to below 27, but without actually specifying the target of that reduction. As a transitional measure it specified that after 1 January 2005, Germany, France, the United Kingdom, Italy and Spain would each give up their second Commissioner.

The Treaty provided for the creation of subsidiary courts below the European Court of Justice and the Court of First Instance to deal with special areas of law such as patents.

The Treaty of Nice provides for new rules on closer co-operation, the rules introduced in the Treaty of Amsterdam being viewed as unworkable, and hence these rules have not yet been used.

In response to the failed sanctions against Austria following a coalition including Jörg Haider's party having come to power, and fears about possible future threats to the stability of the new member states to be admitted in enlargement, the Treaty of Nice added a preventive mechanism to sanctions against a Member State that was created by the Amsterdam Treaty.[6]

The Treaty also contained provisions to deal with the financial consequences of the expiry of the European Coal and Steel Community (ECSC) treaty (Treaty of Paris (1951)).

The Irish referenda

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Under the current rules for the amendment of the Treaties, the Treaties can only be amended by a new Treaty, which must be ratified by each of the Member States to enter into force.

In all the EU member states the Treaty of Nice was ratified by parliamentary procedure, except in Ireland where, following the decision of the Irish supreme court in Crotty v. An Taoiseach, any amendments that result in a transfer to sovereignty to the European Union require a constitutional amendment. Ireland's Constitution can only be amended by a referendum.

First referendum

To the surprise of the Irish government and the other EU member states Irish voters rejected the Treaty of Nice in June 2001. The turnout itself was low (34%), partly a result of the failure of the major Irish political parties to mount a strong campaign on the issue, presuming that the Irish electorate would pass the Treaty as all previous such Treaties had been passed by big majorities. However many Irish voters were critical of the Treaty contents, believing that it marginalised smaller states. Others questioned the impact of the Treaty on Irish neutrality. Other sections viewed the leadership of the Union as out of touch and arrogant, with the Treaty offering a perceived chance to 'shock' the European leadership into a greater willingness to listen to its critics. (A similar argument was made when Denmark initially voted down the Treaty of Maastricht.)

Second referendum

The Irish government, having obtained the Seville Declaration on Ireland's policy of military neutrality from the European Council, decided to have another referendum on the Treaty of Nice on Saturday, 19 October 2002. Two significant qualifications were included in the second proposed amendment, one requiring the consent of the Dáil for enhanced cooperation under the treaty, and another preventing Ireland from joining any EU common defence policy. A 'Yes' vote was urged by a massive campaign by the main parties and by civil society and the social partners, including campaigning through canvassing and all forms of media by respected pro-European figures like then EP president Pat Cox, former Czech president Václav Havel, former President of Ireland Patrick Hillery and former Taoiseach (prime minister) Dr. Garret FitzGerald. Prominent civil society campaigns on the Yes side included Fianna Fáil, Fine Gael, the Labour Party, the Progressive Democrats, the Irish Alliance for Europe led by Professor Brigid Laffan and Adrian Langan, and Ireland for Europe led by Ciarán Toland. On the No Side, the principal campaigns were those of the Green Party, Sinn Féin, Anthony Coughlan's National Platform, Justin Barrett's No to Nice campaign, and Roger Cole's Peace and Neutrality Alliance. The result was a 60% "Yes" vote on a near-50% turn-out.

By then all other EU member states had ratified the Treaty. Ratification by all parties was required by the end of the year, or else the Treaty would have expired.

Views of the treaty

Proponents of the Treaty claimed it was a utilitarian adjustment to cumbersome EU governing mechanisms and a required streamlining of the decision-making process, necessary to facilitate enlargement of the EU into Central and Eastern Europe. They claim, that consequently, the treaty was vitally important for the integration and future progress of these former Eastern Bloc countries. Many people who were in favour of greater scope and power of the EU project, felt that it did not go far enough and that it would in any case be superseded by future treaties. Proponents differed in the extent to which enlargement may have proceeded without the Treaty, some claimed that the very future of the Union's growth—if not existence—was at stake, while others said that enlargement could have legally proceeded—albeit at a slower pace—without it.

Opponents of the Treaty claimed that it was a "technocratic" rather than "democratic" treaty, which would further diminish the sovereignty of national and regional parliaments, and would further concentrate power into a centralised and unaccountable bureaucracy. They also claimed that five applicant countries could have joined the EU without changing the EU's rules, and that others could have negotiated on an individual basis; something opponents to the treaty argued would have been to the applicants' advantage. They also claimed that the Treaty of Nice would create a two-tier EU, which might marginalise Ireland. Opponents pointed out that leading pro-treaty politicians had admitted if referendums had been held in countries other than Ireland, it would probably have been defeated there as well.


The Commission and the European Parliament were disappointed that the Nice IGC did not adopt many of their proposals for reform of the institutional structure or introduction of new Community powers, such as the appointment of a European Public Prosecutor. The European Parliament threatened to pass a resolution against the Treaty; although it has no formal power of veto, the Italian Parliament threatened that it would not ratify without the European Parliament's support. However, in the end this did not come to pass and the European Parliament approved the Treaty.

Many argue that the pillar structure, which was maintained by the Treaty, is overcomplicated, that the separate Treaties should be merged into one Treaty, and that the three (now two) separate legal personalities of the Communities should be merged, and that the European Community and the European Union should be merged with the European Union being endowed with legal personality. The German regions were also demanding a clearer separation of the powers of the Union from the Member States.

Nor did the Treaty of Nice deal with the question of the incorporation of the Charter of Fundamental Rights into the Treaty; that was also left for the 2004 IGC after the opposition of the United Kingdom.


Belgium Belgium Denmark Denmark Finland Finland France France Greece Greece Republic of Ireland Ireland Italy Italy Luxembourg Luxembourg Netherlands Netherlands
Portugal Portugal Spain Spain United Kingdom United Kingdom Sweden Sweden Germany Germany Austria Austria

EU evolution timeline

In force
Brussels Treaty
Paris Treaty
Modified Brussels Treaty
Merger Treaty
European Council conclusion
European Act
Maastricht Treaty
Amsterdam Treaty
Nice Treaty
Three pillars of the European Union:  
European Communities:  
European Atomic Energy Community (EURATOM)   
European Coal and Steel Community (ECSC) Treaty expired in 2002 European Union (EU)
    European Economic Community (EEC)
        Schengen Rules   European Community (EC)
    TREVI Justice and Home Affairs (JHA)  
  Police and Judicial Co-operation in Criminal Matters (PJCC)
          European Political Cooperation (EPC) Common Foreign and Security Policy (CFSP)
Unconsolidated bodies Western European Union (WEU)    
Treaty terminated in 2011  

See also


  1. Laursen, Finn, ed. (2005). The Treaty of Nice: Actor Preferences, Bargaining And Institutional Choice. Leiden: Martinus Nijhoff Publishers. p. 393. ISBN 90-04-14820-5.
  2. Article 12 of the 2003 Act of Accession (OJ L 236, 23 September 2003, p. 33). The figures given in the Act of Accession were determined prior to the 2004 enlargement in a declaration attached to the Nice Treaty (OJ C 80, 10 March 2001, p 82).
  3. "EU voting row explained". British Broadcasting Corporation. 24 March 2004. Retrieved 17 April 2013.
  4. Baldwin, Richard; Widgrén, Mika (February 2005). "The Impact of Turkey's Membership on EU Voting" (PDF). CEPS Policy Brief. Centre for European Policy Studies (62): 11.
  5. The relative weight is a measure of how many Council votes a country has related to its population. In this instance, the German weight is taken to be 1.00 and as a reference to all others.
  6. Sadurski, Wojciech (2010). "Adding a Bite to a Bark? A Story of Article 7, the EU Enlargement, and Jörg Haider". Sydney Law School , University of Sydney. Retrieved 2015-10-28. line feed character in |publisher= at position 18 (help)
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