• Eur-lex: Summaries of EU Legislation: Article 50 negotiations with the United KingdomThe United Kingdom withdrew from the European Union and became a third country (non-EU country) as of 1 February 2020.
   
• Letter by President Donald Tusk to the Members of the European Council on his proposal for a new settlement for the United Kingdom within the European Union. (2 February 2016)
   
• European Council meeting (18 and 19 February 2016) – Conclusions

• European Council, 18-19 February 2016
  Discussions at the European Council were dominated by the deal with the UK and the ongoing migration and refugee crisis. They also discussed the situation in Syria and Libya.

• European Council, 28-29 June 2016
  Informal meeting of the 27 heads of state or government. 27 heads of state or government met informally to discuss the political and practical implications of 'Brexit'.

• Informal meeting of the 27 EU heads of state or government, 29 June 2016 (Statement)
  27 leaders called on the UK government to notify the European Council of its intention to withdraw from the EU as quickly as possible and continue talks on the future of the EU.

• Informal meeting of the 27 heads of state or government, 16 September 2016

• Statement after the informal meeting of the 27 heads of state or government, 15 December 2016 - includes the EU-27 Brexet procedure

• Policy paper: The United Kingdom’s exit from and new partnership with the European Union White Paper (2 February 2017)

• Prime Minister’s letter to Donald Tusk triggering Article 50
   
• European Parliament resolution of 5 April 2017 on negotiations with the United Kingdom following its notification that it intends to withdraw from the European Union
   
• European Council (Art. 50) guidelines for Brexit negotiations (29 April 2017)
   
• General Affairs Council (Art. 50), 22 May 2017
   
• Safeguarding the position of EU citizens in the UK and UK nationals in the EU. Policy paper (26 June 2017) – The government’s offer for EU citizens in the UK and UK nationals in the EU on their rights and status after the UK leaves the EU.
   
• European Commission Draft Withdrawal Agreement on the withdrawal of the United Kingdom of Great Britain and Northern Ireland from the European Union and the European Atomic Energy Community (28 February 2018)

• European Parliament resolution of 14 March 2018 on the framework of the future EU-UK relationship

• Joint report from the negotiators of the European Union and the United Kingdom Government on progress during phase 1 of negotiations under Article 50 TEU on the United Kingdom’s orderly withdrawal from the European Union (08 December 2017)

• Preparing for the withdrawal of the United Kingdom from the European Union on 30 March 2019: Implementing the Commission’s Contingency Action Plan. COM (2018) 890

• Eur-lex: Summaries of EU Legislation: Article 50 negotiations with the United KingdomThe United Kingdom withdrew from the European Union and became a third country (non-EU country) as of 1 February 2020
   
• European Parliament resolution of 18 September 2019 on the state of play of the UK’s withdrawal from the European Union (2019/2817(RSP))

British Government

• Draft Agreement on the Withdrawal of the United Kingdom of Great Britain and Northern Ireland from the European Union (14 November 2018)

• The UK’s future skills-based immigration system (19 December 2018)
  The future skills-based immigration system white paper sets out the government's plans to introduce a new single immigration system, ending free movement.

• Implications for Business and Trade of a No Deal Exit on 29 March 2019 (26 February 2019)