I can hear the pips of the various avoiders and evaders squeak at any possibility of an open accounts based system like Norway's being introduced in the UK.
What does that tell us?
The absence of TAX returns (who has left) will show clearly who is not contributing to this country. In money terms they were probably avoiding taxes in the first place, so no loss for us, just an embarrassment for them.
How difficult was for a sitting Lord to be exposed in the current system? Would there be more scandals to come out?
As for being universally open, it has to start from somewhere. Norway is one, why couldn't UK be next? I seem to remember that we were the first country to introduce civil partnerships. How many countries followed us?