The Protocol sets out Northern Irelands post-Brexit relationship with both the EU and Great Britain. It came into force on 1 January 2021.The Protocol ensures there are no checks on goods that move between Northern Ireland and Ireland (and the rest of the EU). It does this by applying the EU’s Single Market rules for goods to Northern Ireland, and the EU’s customs rules. This means thatgoods coming into Northern Ireland from Great Britain must be checked and/or have paperwork to show they comply with the EU regulations.
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