The Democratic Unionist Party has no legal power to hold up the trade deal, which would simplify post-Brexit trad rules. But a rejection could sabotage efforts to restart Northern Ireland’s government. https://nyti.ms/3Y7bFOJ
It means Scotland, Wales and Northern Ireland will have most likely rejected the Brexit deal - but the government will press ahead with it https://www.theneweuropean.co.uk/top-stories/stormont-assembly-to-reject-boris-johnson-brexit-deal-1-6473973