Northern Ireland post-Brexit 'protocol' hurting some, a boon for others

A port worker checks the paperwork of a truck that will board the 'European Causeway' P&O ferry bound for Scotland, in Larne, Northern Ireland June 20, 2022. Picture taken June 20, 2022. Under the Post-Brexit Northern Ireland protocol, continued access to the European Union's single market at the expense of the rest of the United Kingdom is proving beneficial for the region's exporters in tougher economic times. REUTERS/Clodagh Kilcoyne

BALLYMENA, Northern Ireland (Reuters) - Irwin Armstrong, a former chair of Boris Johnson's Conservative Party in Northern Ireland, has a simple message for the British Prime Minister when it comes to the province's unique post-Brexit trade rules: Don't ruin a good thing.

The founder of rapid test diagnostics maker CIGA Healthcare, who campaigned for Britain to leave the European Union six years ago, has described the so-called Northern Ireland Protocol as a gamechanger for manufacturing businesses like his.