.mau. (maurizio codogno), 13/09/2012 16:01:
To be more precise, it's up to third parties to CONTACT sopraintendenza if they wish to use it for commercial purposes (sopraintendenza may or may not ask for a fee), and this restriction is not related with CC-BY-SA .
Nor to copyright in general, that's the whole trick (and if it comes from the ministry it has some weight!).
Nemo