The 1972 Act and the Treaties:
European Communities Act 1972
Treaty on European Union (TEU) and Treaty on the Functioning of the EU (TFEU)
European Union (Referendum) Act 2015
UK government - material published under section 7 of the Referendum Act -(a) Alternatives to membership: possible models for the UK outside the EU; (b) Rights and Obligations of EU membership.
BBC - Referendum result 23 June 2016
Supreme Court - Miller case:
Supreme Court judgments in R (Miller and another) v Secretary of State for Exiting the EU  UKSC 5 - majority 8 to 3 -majority judgment and 3 dissenting judgments. The majority held that an Act of Parliament was required to authorise government ministers to give notice under Article 50 of the Treaty on European Union.
European Union (Notification of Withdrawal) Act 2017 - The Prime Minister may notify, under Article 50(2) of the Treaty on European Union, the United Kingdom’s intention to withdraw from the EU.
The Article 50 Notification was handed to the President of the EU Council on 29 March 2017 thereby commencing the 2 year Article 50 period. In Wightman and others v Secretary of State for Exiting the EU, the Court of Justice of the EU (CJEU) has held that notification under Article 50 of the Treaty on European Union is unilaterally revocable. Read the Court's Press release 10 December 2018 and the Court's Judgment.
Prime Minister's Lancaster House Speech - January 2017 - set out the Plan for Britain, including the 12 priorities that the UK government would use to negotiate Brexit.
European Union Documents:
European Council Brexit documentation - from 23 June 2016
European Commission documentation
The 2018 Withdrawal Act:
European Union (Withdrawal) Act 2018 - An Act to repeal the European Communities Act 1972 and make other provision in connection with the withdrawal of the United Kingdom from the EU.
Withdrawal Agreement negotiated:
A DRAFT withdrawal agreement was reached by the end of February 2018.
Following the government meeting at Chequers on 6 July 2018 a White Paper was published - The future relationship between the UK and the EU.
Withdrawal Agreement 25 November 2018 - Draft Agreement on the withdrawal of the United Kingdom of Great Britain and Northern Ireland from the European Union and the European Atomic Energy Community, as agreed at negotiators' level on 14 November 2018
Political Declaration 25 November 2018 - Draft Political Declaration
The Withdrawal Agreement Explained - published by the EU on 8 February 2019
25 April 2019 - EU Official Journal - Withdrawal Agreement
"Meaningful Vote" 15 January 2019:
The House of Commons rejected the Withdrawal Agreement
The Debate and Vote of 12 March 2019:
Withdrawal Agreeement and other documents 12 March 2019 - The Department for Exiting the EU (DExEU) - Policy Paper 11 March Withdrawal Agreement and Political Declaration laid before Parliament following political agreement. The Commons rejected the Agreement.
Article 50 - (first) time extension:
European Council Art 50 conclusions, 21 March and Council Decision 22 March formalising the political agreement reached on 21 March 2019 on extending the period under Article 50. Also see the UK Government's letter agreeing to the extension.
House of Commons 29 March:
The Withdrawal Agreement was rejected for the third time
Article 50 - (second) time extension:
The European Council met on Wednesday 10 April and granted an extension for a flexible period but no later than 31 October 2019 - read the Council Conclusions and Council Decision 10 April.
For convenience - links to Law and Lawyers posts on Brexit follow:
: Posts since 1st January 2019 - (latest first) :
12 September - The European Union (Withdrawal) (No 2) Act 2019
11 September - Prorogation and the courts
10 September - Extraordinary times - Parliament 9 September 2019
5 September - What happened on 4 September
4 September 2019 - 3 September ~ What happened - minus the rhetoric
29 August - Prorogation announced
25 August 2019 - Exit Day and repeal of ECA 1972
13 August 2019 - Prorogation
6 August 2019 - Could Parliament stop no-deal Brexit
1 August 2019 - Brexit Uncertainty
19 July 2019 - Northern Ireland (Executive Formation) Bill - (2)
17 July 2019 - European Parliament 16 July 2019 - Brexit and no deal
7 July 2019 - Northern Ireland (Executive Formation) Bill
3 July 2019 - EU Council 30 June to 3 July 2019
12 June 2019 - Prorogation of Parliament to achieve a "no deal" Brexit
6 June 2019 - As the Brexit Clock ticks
28 May 2019 - The European Parliamentary Election 2019
4 April – Queen’s Consent
31 March – The week ahead – Further indicative votes
29 March – the Withdrawal Agreement returns
28 March - Parliament 27 March
27 March - Brexit Indicative Votes
26 March - House of Commons Monday 25 March
25 March - Brexit: Statutory Instruments
22 March - European Council and what might come next
20 March - Brexit - Article 50 extension requested
19 March - Brexit: Meaningful Votes - Article 50 extension
15 March - Brexit votes 12-14 March
14 March - Brexit debates 13 and 14 March
12 March - Brexit Debate and Vote ~ 12 March 2019
12 March - Brexit "Meaningful Vote" 12 March 2019
8 March - Questions to the Law Officers
5 March - 24 days to Brexit - A brief roundup
27 February - Brexit - House of Commons 26 and 27 February
22 February - Brexit-related litigation - update
12 February - Brexit Library ~ Key materials
28/29 January - House of Commons - Brexit debate - updated post
24 January - Prorogation of Parliament
22 January - Brexit - PM Statement 21 January
16 January - That this House has no confidence in HM Government
15 January - Brexit - the meaningful vote - 15 January 2019
14 January - Those "reassurances" sought by the Prime Minister
10 January - Shenanigans in the Commons as the 'meaningful vote' comes closer
9 January - Brexit - Government loses vote on Finance (No.3) Bill
: Pre-2019 posts and materials :
Latest first ....