Some EU rules on food and agriculture also apply to NI during the backstop period. Existing controls on animals and animal products moving from the UK to NI need to be strengthened. The political statement states that provisions to address health and plant protection barriers to trade barriers should be introduced “on the basis of WTO agreements and going beyond.” Withdrawal agreement and political declaration on the future relationship between the UK and the EU, approved by the Heads of State and Government at an extraordinary European Council on 25 November 2018. The British Parliament approved the draft agreement by adopting on 23 January 2020 the implementing laws (the 2020 Withdrawal Agreement Act) of the European Union (withdrawal agreement). Following the signing of the agreement, the UK Government adopted and tabled the UK`s ratification instrument on 29 January 2020.  The agreement was ratified by the Council of the European Union on 30 January 2020, after approval by the European Parliament on 29 January 2020. The UK`s withdrawal from the EU came into force on 31 January 2020 at 11 .m GMT, when the withdrawal agreement came into force in accordance with Article 185. If the EP approves the agreement by a simple majority, it will have to be adopted by the EU by the overqualified majority of the European Council of the remaining 27 Member States (20 from the other EU-27 representing 65% of the EU-27 population). The 599-page withdrawal agreement covers the following main areas: The government has committed to vote on a resolution in both houses of Parliament before the Ep vote, where each parliament is invited to approve the withdrawal agreement. So far, the British Parliament had had two “wise votes” but had not approved the November 2018 withdrawal agreement, despite assurances from the EU in January 2019 that the backstop should not be permanent and other interpretations and clarifications in March 2019. The Strasbourg clarification package and the Attorney General`s opinion will be discussed in the Commons Briefing Paper 8525 The Strasbourg package, 13 March 2019. Yes, the UK (cross-border) tax law 2018 will implement the Brexit Withdrawal Agreement, officially titled the UK`s withdrawal agreement from Britain and Northern Ireland from the European Union and the European Atomic Energy Community.  the terms of the UK`s withdrawal from the EU and Euratom.