Even without tariffs, the bureaucracy of border checks is a massive issue. (politics.co.uk)
Instead, the party promises more border checks with «visible security and firm control». (politics.co.uk)
«There's no border between Islington or Camden and Westminster... but when I was mayor of London we anaesthetically and invisibly took hundreds of millions of pounds from the accounts of people travelling between those two boroughs without any need for border checks whatever.» (totalpolitics.com)