> The FSF does not approve license translations as officially valid. The reason is that checking them would be difficult and expensive (needing the help of bilingual lawyers in other countries). Even worse, if an error did slip through, the results could be disastrous for the whole free software community. As long as the translations are unofficial, they can't do any legal harm.
> ...
> We give permission to publish translations of GNU licenses into other languages, provided that:
> You label your translation as unofficial to inform people that they do not count legally as substitutes for the authentic version (see below for how to do this).