The most important elements of the draft agreement are: The copy of the signed agreement was sent in a diplomatic bag for the Prime Minister`s signature in Downing Street. On Thursday, the withdrawal agreement received royal approval from the Queen. Johnson said he would not use the option he has in the withdrawal agreement to extend that transition period. The Prime Minister said the 11-month time available without a new extension was “ample” time to reach a comprehensive agreement. Immediately after the announcement of a revised withdrawal agreement on October 17, 2019, Labour, the Liberal Democrats and the DUP said they could not support the new agreement.  Following the signing of the document in Brussels, it was brought to Downing Street by European and British officials to be signed by British Prime Minister Boris Johnson, which expires on Friday. The agreement will then return to Brussels, and a copy of that convention will remain in London. The EU and the UK have reached an agreement on the withdrawal agreement with a revised protocol on Ireland and Northern Ireland (abolition of the “backstop”) and a revised political declaration. On the same day, the European Council (Article 50) approved these texts. Boris Johnson has officially signed the EU withdrawal agreement and smiles, as he described it as a “fantastic moment” for the country.
On 15 January 2019, the House of Commons voted with 230 votes against the Brexit withdrawal agreement the largest vote against the British government in history.  The government may survived a vote of confidence the next day.  On March 12, 2019, the House of Commons voted 149 votes against the agreement, the fourth-biggest defeat of the government in the history of the House of Commons.  A third vote on the Brexit withdrawal agreement, widely expected on 19 March 2019, was rejected by the House of Commons spokesman on 18 March 2019, on the basis of a parliamentary convention of 2 April 1604, which prevented British governments from forcing the House of Commons to vote several times on a subject already voted on by the House of Commons.    An abbreviated version of the withdrawal agreement, in which the annex political statement had been withdrawn, consisted of the test of “substantial amendments,” so that a third vote was held on 29 March 2019, but was rejected by 58 votes.  Moreover, according to Ms. von der Leyen, Britain is sweeping its reputation by failing to comply with an agreement signed in December. “It makes no sense to negotiate a future deal (with) a British prime minister who throws out the window of the agreement he himself signed,” said Manfred Weber of the centre-right European People`s Party.
On 6 September 2020, the Financial Times reported that the UK government was considering drafting new laws to circumvent the protocol of the Northern Ireland Withdrawal Agreement.  The new law would give ministers the power to determine which state aid should be notified to the EU and to define which products at risk of being transferred from Northern Ireland to Ireland (the withdrawal agreement stipulates that in the absence of a reciprocal agreement, all products are considered vulnerable).  The government defended this approach and stated that the legislation was in accordance with protocol and that it had only “clarified” the volumity in the protocol.  Ursula von der Leyen warned Johnson not to violate international law and said that the implementation of the withdrawal agreement by Britain was a “precondition for any future partnership”.  On 8 September, the Minister of Foreign Affairs for Northern Ireland, Brandon Lewis, told the British Parliament that the government`s internal market bill would “violate international law”.”  On 15 November 2018, the day after the agreement was presented and the support of the British government cabinet, several members of the government resigned, including Dominic Raab, Secretary of State for leaving the European Union.  As part of the agreement, the UK will leave the EU at midnight Central European time on 31 January.