On a bit of a whim, I fancy entering the final round of the Italian Superenduro series. To register you need to provide your licence ID to "membership to U.C.I. or any other national cycling club." which I don't have and I'd rather pay the £15 for a provisional BC licence than £66 for the full licence, it being for 1 race only.
A quick search gives this for background: http://singletrackworld.com/forum/topic/superenduro-doctors-note-bc-license
DavidM, how did it work out for you?
Will see what the organisers say, but keen for anyone's 1st hand knowledge.