>>                                                      What about addressing
>>any mail to: Skol Ober, Gwaremm, Leurven, F-223100 Plufur, Bretagne/Breizh
>>(/Britanny)?  The F- is sufficient to tell the postal system in one's own
>>country where it's headed and the rest of the post code is for the
>>sole purpose of helping poor _La Poste_.


_La Poste_ is considered as a part of the French administration. There
had been a judgement last year by the "tribunal administratif" saying
that _la Poste_ has no obligation to mail letters with addresses in
Breton because the official language of "la Republique Francaise" is
French (since the last edition of the French constitution).