When I looked at this there was a very narrow set of new rules that would need to be introduced into UK law (I found a paper on the EU website, however https://

When I looked at this there was a very narrow set of new rules that would need to be introduced into UK law (I found a paper on the EU website, however https://fullfact.org/online/brexit-not-concealing-offshore-accounts/ https://fullfact.org/online/brexit-not-concealing-offshore-a... matches up with my memory). Primarily the new rules are based on the existing UK rules and I'm guessing whatever legal changes were required are still going through.