Hmmm... standard ways of doing things, so everyone knows what each other is going to do. You know, it's crazy but it might just work - quick, someone think up an acronym!
It would be nice if the UK powers-that-be would tell us - rather than all having to go and find out, individually - if any other regulator going to implement this, ICAO standard though it might be. I would be very interested to hear from our colleagues elsewhere.