An offer by the European Union to scrap checks on most foodstuffs entering and remaining in Northern Ireland from mainland Britain may not be enough to avert the eventual imposition of tariffs on Scottish salmon and whiskey, a leading Cambridge University EU law professor told IntraFish.

Scottish salmon will likely be a major target for any potential EU retaliatory tariffs unless agreement is reached on the Northern Ireland protocol portion of the EU-UK trade and cooperation agreement (TCA) signed at the end of last year.