Had a bus driver at Gatwick refuse one at Easter "cos of ze trouble back home" said the English bus driver Jose.
half five in teh morning, he was lucky there Master Fang and Miss Fang were there to help hold Mrs F who was for tearing him a new arse hole, he could have parked his bus in!
They can be a pain in the arse to exchange outside the UK though.
I have been told that they are as good as gold though, as the issuing banks in Scotland can only issue as many notes as their assets can cover. I've been taking that with a grain of salt since the Royal Bank of Scotland just about went tits up a couple of years ago.