abaddon
Penultimate Amazing
True, but much of the information
will be common. Customs classification of the goods will be extra, but can be attached to the goods description in a computerised stock system.
Since I have written code for such customs documents, I know this is utterly misguided.
In reality, the overhead dealing with customs documentation is a headache, a hassle, and total a waste of resources to generate paper/virtual documentation that nobody ever reads anyway.
Brexit is going to be a nightmare in that regard and you are deluding yourself if you think otherwise. The only reason it doesn't much bother me is because my company does not export to the UK, so I don't care.
You UKians have made your bed, now you get to lie in it. In both senses of the word.