4P
According to my Air Law notes "States requirements for designators shall be notified to the regional offices of ICAO for co-ordination". There you go that'll make you sleep better in your bed tonight...not!
One aside an RAF pilot who I play golf with is also an author in his spare time and for inspiration the majority of his characters are taken from the reporting points in the Scandanavian FIR! Check out his
website, which I designed for him.
BW