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European Communities Act 1972
Act of Parliament
"Long title An Act to make provision in connection with the enlargement of the European Communities to include the United Kingdom, together with (for certain purposes) the Channel Islands, the Isle of Man and Gibraltar.
"Citation 1972 c. 68
Introduced by "Geoffrey Rippon, "Chancellor of the Duchy of Lancaster
Territorial extent United Kingdom
(England and Wales, Scotland, Northern Ireland)

"The Isle of Man
"[The Bailiwick of] Jersey
"The Bailiwick of Guernsey
(by implication of the wording of long title and Sections 2(6) and 4(4))
"Royal assent 17 October 1972
"Commencement 17 October 1972
(partly in force)
1 January 1973
(wholly in force)
Repealed (On 'Exit Day', automatically, according to the "European Union (Withdrawal) Bill, Section 1(2))
Other legislation
Amended by "European Communities (Amendment) Act 1986
"European Economic Area Act 1993
"European Communities (Amendment) Act 1993
"European Communities (Amendment) Act 1998
"European Communities (Amendment) Act 2002
"European Union (Amendment) Act 2008
"European Union Act 2011
"Repealed by "European Union (Withdrawal) Bill
Relates to "Referendum Act 1975
"European Assembly Elections Act 1978
"European Parliamentary Elections Act 1993
"European Parliamentary Elections Act 1999
"European Parliamentary Elections Act 2002
"European Union Referendum Act 2015
"European Union (Notification of Withdrawal) Act 2017
Status: Amended
Text of statute as originally enacted
Revised text of statute as amended
Constitutional documents and events (present & historical) relevant to the status of the "United Kingdom and legislative unions "of its constituent countries
""Royal Coat of Arms of the United Kingdom (HM Government).svg
"Treaty of Union 1706
"Acts of Union 1707
"Wales and Berwick Act 1746
"Irish Constitution 1782
"Acts of Union 1800
"Government of Ireland Act 1920
"Anglo-Irish Treaty 1921
"Royal and Parliamentary Titles Act 1927
"EC Treaty of Accession 1972
"NI (Temporary Provisions) Act 1972
European Communities Act 1972
"Local Government Act 1972
"Local Government (Scotland) Act 1973
"NI Border Poll 1973
"NI Constitution Act 1973
"Referendum Act 1975
"EC Membership Referendum 1975
"Scotland Act 1978
"Wales Act 1978
"Scottish Devolution Referendum 1979
"Welsh Devolution Referendum 1979
"Local Government (Wales) Act 1994
"Local Government etc. (Scotland) Act 1994
"Referendums (Scotland & Wales) Act 1997
"Scottish Devolution Referendum 1997
"Welsh Devolution Referendum 1997
"Good Friday Agreement 1998
"Northern Ireland Act 1998
"Government of Wales Act 1998
"Scotland Act 1998
"Government of Wales Act 2006
"Northern Ireland Act 2009
"Welsh Devolution Referendum 2011
"European Union Act 2011
"Scotland Act 2012
"Edinburgh Agreement 2012
"Scottish Independence Referendum 2014
"Wales Act 2014
"European Union Referendum Act 2015
"EU Membership Referendum 2016
"Scotland Act 2016
"Wales Act 2017
"EU (Notification of Withdrawal) Act 2017
"Invocation of Article 50 2017
"European Union (Withdrawal) Bill 2018
""Flag of Europe.svg
This article is part of a series on the
"politics and government of
European Union

The European Communities Act 1972 (c. 68) is an "Act of the "Parliament of the United Kingdom which legislated for the accession of the United Kingdom to the three "European Communities, namely the "EEC (or "Common Market"), "Euratom, and the (now defunct) "Coal & Steel Community.[1]

The "Treaty of Accession was signed by "Tory "Prime Minister "Edward Heath and the "President of the European Commission "Franco Maria Malfatti on 22 January 1972 in "Brussels; and the UK's accession into the Communities was subsequently ratified via the 1972 Act.

The Act provided for the incorporation into UK law of the whole of "European Community law and its ""acquis communautaire": its Treaties, "Regulations and "Directives, together with judgments of the "European Court of Justice (such as "Van Gend en Loos).

"European Union Law (then Community Law) became binding on all legislation passed by the UK Parliament and also upon the devolved administrations (the "Northern Ireland Assembly, "Scottish Parliament and "National Assembly for Wales). Arguably the most significant statute to be passed by the "Heath government of 1970-74, the Act is also one of the most significant constitutional statutes ever passed.

The act has been significantly amended from its original form, incorporating the changes wrought by the "Single European Act, the "Maastricht Treaty, the "Amsterdam Treaty, the "Nice Treaty, and the "Treaty of Lisbon.

On 13 July 2017, "Brexit Minister, "David Davis, introduced the "European Union (Withdrawal) Bill which proposes to repeal this 1972 Act. On 20 June 2018 almost a year after it was first introduced the bill competed its passage though both Houses for "Royal Assent.


Origin and background[edit]

When the EEC came into being in 1958, the UK chose to remain aloof and instead join the alternative bloc, "EFTA. Almost immediately the British government regretted its decision, and in 1961, along with Denmark, Ireland, Norway, the UK applied to join the three Communities. However, President "Charles de Gaulle saw British membership as a "Trojan horse for US influence and vetoed membership; and all four applications were suspended. The four countries resubmitted their applications in 1967, and the French veto was lifted upon "Georges Pompidou succeeding Charles de Gaulle in 1969.[2] In 1970 accession negotiations took place between the "UK Government, led by "Tory "Prime Minister "Edward Heath, the "European Communities and various European leaders. Despite disagreements over the "CAP and the UK's relationship with the "Commonwealth, terms were agreed. In October 1971, after a lengthy "Commons debate, MPs voted 356-244 in favour of joining the EEC.

For the Treaty to take effect upon entry into the Communities on 1 January 1973, and for the UK to embrace the EEC Institutions and "Community law, an Act of Parliament was required. Only three days after the signing of the Treaty, a European Communities Bill of just 12 clauses[3] was presented to the House of Commons by "Geoffrey Rippon. The European Communities Act came into being, and Edward Heath signed the "Treaty of Accession in "Brussels on 22 January 1972. Denmark and Ireland also "joined the Community on the same day, 1 January 1973, as the UK; but the Norwegian people had "rejected membership in a "referendum in 1972.

Second Reading (House of Commons)[edit]

On 17 February 1972, the House of Commons voted narrowly by 309-301 in favour of the Bill at its second reading after three days of intense debate. Just before the vote the Prime Minister Edward Heath argued his case in the debate with the following words.

The Bill then passed on to Committee Stage before its third reading.

Third Reading (House of Commons)[edit]

On 13 July 1972 the House of Commons voted 301-284 in favour of the Bill in its third and final reading before passing on to the House of Lords. Before the vote took place, "Geoffrey Rippon (who had drafted the Bill) argued in the House of Commons immediately before the vote:

The Bill then passed to the "House of Lords before receiving Royal Assent.

Royal Assent[edit]

The Act received Royal Assent on 17 October and UK's instrument of ratification of the "Treaty of Accession was deposited the next day although the act and the treaty did not become law until 1 January 1973 when the "United Kingdom officially became a member state of the European Communities (now the "European Union) along with "Denmark and the "Republic of Ireland.

The Act[edit]

The Act was the most significant constitutional piece of legislation to be passed by the "Heath Government of 1970-74
"Geoffrey Rippon was responsible for drafting the 1972 legislation that took the UK into the then European Communities.

The European Communities Act was the instrument whereby the UK was able to join the "European Union (then known as the "European Communities). It enables, under section 2(2), UK government ministers to lay regulations before Parliament to "transpose "EU Directives (then Community law) and rulings of the "European Court of Justice into UK law. It also provides, in section 2(4), that all UK legislation, including primary legislation (Acts of Parliament) have effect "subject to" "directly applicable EU law. This has been interpreted by UK courts as granting EU law primacy over domestic UK legislation.

European Treaties[edit]

The Act incorporated the following treaties into the domestic law of the United Kingdom.

The following treaties were added to the act though subsequent amendments.

Common Agricultural Policy[edit]

The Act legislated for the full participation of the United Kingdom in the Common Agricultural Policy and fully incorporates the policy into UK domestic law. It repealed previous pieces of UK domestic legislation to allow for this.

Customs Union[edit]

The Act legislated for the incorporation and full participation of the United Kingdom within the "European Union Customs Union (then European Communities Customs Union) into domestic law, as well as the application of the European "common external tariff to all goods which come into the UK from outside the European Communities. The Act repealed large sections of previous UK domestic legislation to allow for this.


The primacy and direct effect of EU law has no formal basis in the founding treaties of the union but was developed by the "European Court of Justice (ECJ), long before UK accession, on the grounds that the purpose of the treaties would be thwarted if EU law were subordinate to national law. The view of the ECJ is that any norm of EU law takes precedence over national law, including national constitutions. Most national courts, including the United Kingdom's, do not accept this "monist perspective.[4] The British constitution is based on Parliamentary sovereignty and has a "dualist view of international law: international treaties do not become part of UK domestic law unless they are incorporated into UK law by an Act of Parliament.[5] The primacy of EU law in the United Kingdom derives from the European Communities Act. This means that if the Act were repealed, any EU law (unless it has been transposed into British legislation) would, in practice, become unenforceable in the United Kingdom and Gibraltar, and the powers delegated by the Act to the EU institutions would return to the "Parliament of the United Kingdom.[6] This was made clear to be the law in the United Kingdom by the inclusion of the ""sovereignty clause" in the EU Act 2011 passed by the British Parliament.

The question of sovereignty had been discussed in an official document (FCO 30/1048) that became available to the public in January 2002 under the "Thirty-year rule. It listed among "Areas of policy in which parliamentary freedom to legislate will be affected by entry into the European Communities": Customs duties, Agriculture, Free movement of labour, services and capital, Transport, and Social Security for migrant workers. The document concluded (paragraph 26) that it was advisable to put the considerations of influence and power before those of formal sovereignty.[7]


In the "House of Lords "Factortame case, "Lord Bridge has interpreted ECA section 2(4) as effectively inserting an implied clause into all UK statutes that they shall not apply where they conflict with European law. This is seen by some as a departure from the British constitutional doctrine of "parliamentary sovereignty, as traditionally understood.[8]


The United Kingdom voted for "withdrawal from the European Union in the "2016 EU referendum held on 23 June 2016, and afterwards there was speculation that the act would be either repealed or amended.[9] In October 2016 the prime minister, "Theresa May, promised a "Great Repeal Bill" which would repeal the 1972 act and import its regulations into UK law, with effect from the date of British withdrawal; the regulations could then be amended or repealed on a case-by-case basis.[10] The European Union (Withdrawal) Bill was introduced in the House of Commons in July 2017.

The "Supreme Court "ruled in January 2017 that an "act of Parliament was needed before the government could "invoke Article 50 to give notice to leave the European Union.[11]

On an official visit to the UK, "Emmanuel Macron, the "President of the "French Republic, urged the UK to change its mind and remain in the EU.["citation needed]

See also[edit]



  1. ^ All three of these institutions would later form part of what is now known as the "European Union.
  2. ^ De Gaulle died in 1970.
  3. ^ The 12-clause Bill was criticised by some in the opposition who had demanded a one thousand clause Bill that would be much harder to amend.["citation needed]
  4. ^ Craig, Paul; De Burca, Grainne (2015). EU Law: Text, Cases and Materials (6th ed.). "Oxford University Press. p. 266. "ISBN "978-0-19-871492-7. 
  5. ^ Craig, Paul; De Burca, Grainne (2015). EU Law: Text, Cases and Materials (6th ed.). "Oxford University Press. p. 365. "ISBN "978-0-19-871492-7. 
  6. ^ Akehurst, Michael; Malanczuk, Peter (1997). Akehurst's Modern Introduction to International Law. London: Routledge. pp. 65–66. "ISBN "978-0-415-11120-1. 
  7. ^ FCO 30/1048, Legal and constitutional implications of UK entry into EEC (open from 1 January 2002).[1]
  8. ^ Elliott, M. "United Kingdom: Parliamentary sovereignty under pressure". International Journal of Constitutional Law. 2 (3): 545–627. "doi:10.1093/icon/2.3.545. 
  9. ^ Allen Green, David (11 July 2016). "Is an Act of Parliament required for Brexit?". Financial Times. Retrieved 11 July 2016. 
  10. ^ Mason, Rowena (2 October 2016). "Theresa May's 'great repeal bill': what's going to happen and when?". The Guardian. Retrieved 3 October 2016. 
  11. ^ "Article 50 'Brexit' Appeal". The Supreme Court. 24 January 2017. Retrieved 28 January 2017. 
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