This is part of the issue with technology solving the border
https://www.irishtimes.com/news/ire...fficials-from-north-and-south-agree-1.3474246
Interesting article. But as far as customs checks, goods ultimately have an origin, and a final destination - both of which will be in either one country or the other, and it doesn't really matter if they go in, out and shake it all about en route. So a GPS based tag system could record all of that quite easily?