The Law & Politics of Brexit. Volume IV The Protocol on Ireland/Northern Ireland : Oxford University Press : 9780192863942 : 0192863940 : 31 May 2022 : This book examines the law and politics of the Protocol on Ireland/Northern Ireland, attached to the Withdrawal Agreement, which regulates the terms of Brexit. The Protocol on Ireland/Northern Ireland deals with the most complex issue which emerged during the withdrawal negotiations between the United Kingdom (UK) and the European Union (EU), namely how to avoid a hard border in the island of Ireland and preserve the peace process started in Northern Ireland with the 1998 Belfast Good Friday Agreement. To this end, the Protocol, which was agreed in its final form in October 2019, establishes a bespoke solution, notably by keeping Northern Ireland aligned to EU customs and internal market rules. Nevertheless, the operation of the Protocol, which has formally entered into force in January 2021, has stirred political controversies in the U