Since the CAA doesn't recognise the "club checkout" concept in any official document, but just consider it a private flight, why would they need to provide clarification as to the rules?
Backpacker,
Well, precisely because so many people seem to be doing things which are contrary to this position. If everyone was doing what they're supposed to in the first place, we wouldn't have this thread running...
I REALLY wasn't going to add any more to this thread, honest, I just got sucked in again.
TheOddOne