Originally Posted by
planedrive
Completely correct. They're exactly the same standard, but XATW was used as the gov needed it sooner than GBNI was ready. The reg's are GBNI (Great Britain and Northern Ireland) and XATW (Around The World) for TCS and have always been planned as such. No extra money has been 'coughed up by the taxpayer' for the decal swap.
That'll not be pleasant reading for the lurking Remoners