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Brexit Analysis

This page features the Institute's representations and analysis on the impact of the UK’s withdrawal from the EU, in the area of customs and taxation, as well as Government and European resources for businesses in the lead up to Brexit.

On 23 June 2016, the UK electorate voted to leave the European Union and on 29 March 2017, the UK notified the European Council of its intention to withdraw from the EU in accordance with Article 50 of the Treaty on European Union. The European Council adopted a set of political guidelines on 29 April 2017, which define the framework for the negotiations and set out the EU's overall positions and principles. Brexit negotiations between the EU and the UK began on 19 June 2017.

On 14 November 2018 the Heads of State/Government of the remaining 27 EU Member States approved a Withdrawal Agreement  negotiated by the European Commission and the UK Government. A Political Declaration on future EU-UK relations was also approved at the same time. The agreement, which was endorsed by the European Council on 25 November 2018, includes a transition period up to the end of 2020, during which the EU will treat the UK as if it were a Member State, with the exception of participation in the EU institutions and governance structures. This transition period can be extended by up to 1 or 2 years to be decided by 30 June 2020.

The Withdrawal Agreement has not yet been ratified by the UK Parliament.

The UK’s membership of the EU was initially due to lapse at midnight in Brussels on 30 March 2019 (or 11pm in London on 29 March 2019), two years from the day it formally notified of its intention to withdraw from the EU.However, the European Council (Article 50) decided, in agreement with the United Kingdom, to extend further the two-year period provided for by Article 50, until 31 October 2019. The Miscellaneous Provisions (Withdrawal of the United Kingdom from the European Union) Act 2019 was enacted on 17 March 2019 in preparation for the possibility that the UK fails to agree a deal for their departure from the European Union.

Irish Tax Institute Brexit Seminars


Irish Tax Review Brexit Articles


TaxFax Brexit Updates Article


Irish Tax Institute Representations

In February, the Institute made representations to Revenue via TALC (Tax Administration Liaison Committee) on the key measures needed to alleviate the potential impact of a ‘no deal’ Brexit.

We understand from discussions at TALC that it was intended that the Miscellaneous Provisions (Withdrawal of the United Kingdom from the European Union) Act 2019 (the Withdrawal Act) would cover only those measures which would have an immediate impact in the event of a ‘no-deal’ Brexit and that other Brexit-related tax issues would be addressed in Finance Bill 2019.

In June, as part of our Pre-Finance Bill 2019 Submission to the Department of Finance, the Institute identified several circumstances that are not covered by the Withdrawal Act, which we believe should be included in Finance Bill 2019, in order to ensure that the status quo for taxpayers will be maintained in the event of a ‘no-deal’ Brexit.