Somebody has started a petition to get an ISO 4217 currency code for Bitcoin recognised by the ISO authorities:
http://www.change.org/petitions/six-interbank-clearing-include-a-symbol-for-...
There is some background info in these forums (and contact details if you want to write a formal submission to the ISO as well as signing the petition):
https://bitcointalk.org/index.php?topic=123600.msg1327579#msg1327579
It would be interesting to know the FSF Europe position with respect to Bitcoin - can anyone comment? Has there been any initiative in any European country to have Bitcoin recognised or to confirm its legal status?