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There will be new restrictions on internal UK trade


 Significance
 Under the Northern Ireland Protocol, goods in circulation in Northern Ireland will be subject to EU single market rules and EU tariffs, meaning obstacles to trade with the rest of the United Kingdom. A UK-EU free trade deal (FTA) would reduce the extent of customs and regulatory checks required. 
 
 
 Impacts
 The Northern Ireland Protocol will enter into force whether there is a EU-UK FTA or not. 
 Efforts to reduce the amount of customs and regulatory checks will persist beyond 2020. 
 If Northern Irish parties decide after some years to withdraw consent for the Protocol, it would cease within two years. 
