The UK formally accepts the extension to the Article 50 period following the EU Council meeting held on April 10 2019 in a letter from the UK’s Permanent Representative to the EU to the President of the European Council concerning Article 50 extension.
11 April 2019
His Excellency Donald Tusk
President of the European Council
I refer to the draft European Council Decision taken in agreement with the United Kingdom extending the period under Article 50(3) TEU, as attached to this letter. I am writing to confirm the agreement of the Government of the United Kingdom to the extension of the period under Article 50(3) and to this decision.