“Before ‘Brexit’, no import checks were necessary with the UK being part of the EU’s frictionless trading model.” https://yorkshirebylines.co.uk/ports-prepare-full-brexit-checks/
“Business owners fear food-safety checks set to be introduced from Oct 1 will make some shipments unviable.” https://www.independent.co.uk/news/business/uk-food-supplies-brexit-border-checks-b1914218.html
“More food shortages and higher prices are likely to be the result of new Brexit checks that come into effect…