evidence: Under the Northern Ireland Protocol, different rules apply in Northern Ireland to those in Great Britain. For more information on the regulatory system for medical devices in Northern Ireland, please see Regulation of medical devices in Northern Ireland below. [...] - Since 26 May 2021, the EU MDR has applied in Northern Ireland. The EU IVDR has applied in Northern Ireland since 26 May 2022. [...] The EU MDR and EU IVDR in Northern Ireland