91.In of the government`s explanatory statement, it is specified that these provisions “are aimed at legal certainty” and constitute the technical basis for the liquidation of the current processes and agreements “to ensure an orderly exit”83 51 Public right for all, The Brexit Withdrawal Agreement: the withdrawal of “control of our laws”? (23 November 2018): publiclawforeveryone.com/2018/11/23/the-brexit-withdrawal-agreement-taking-back-control-of-our-laws/ [access to 18 December 2019] On the issue of the Irish border, there is a northern Ireland protocol (the “backstop”) that is attached to the agreement, which establishes a clearance position that will only enter into force if effective alternative arrangements are not demonstrated before the end of the transitional period. In this case, the UK will eclipse the EU`s common external tariff and Northern Ireland will stick to aspects of the internal market until such an event is carried out. Neither party can unilaterally withdraw from this customs union. The aim of this backstop agreement is to avoid a “hard” border in Ireland, where customs controls are needed.  However, the UK and the EU have issued a common “political declaration” which is not legally binding, but contains concerted intentions for the negotiation of a future trade agreement. This document states that a dispute arising from a future trade agreement should not be referred to the European Court of Justice unless it refers to an interpretation of EU law. The role of the European Court of Justice must therefore be reduced. The declaration on the future relationship between the European Union and the United Kingdom, also known as the Political Declaration, is a non-binding declaration, negotiated and signed at the same time as the mandatory and broader withdrawal agreement on the uk`s withdrawal from the European Union (EU), known as Brexit, and the planned end of the transition period. The agreement defines the goods, services and processes associated with them. Any provision of goods or services legally put on the market before leaving the EU may be made available to consumers in the UK or in EU Member States (art.