Note: This is what I read recently regarding this issue, but I am not a law expert, so take this with a grain of salt.
Edit: typos.
https://elpais.com/elpais/2017/09/20/inenglish/1505917320_78...
I don't know if the EFF is aware that the site has citizen personal information without permission. Who protects us as citizens against rebel regional government putting online private information against the rule of law?
> Shortly the Government will release the details on the polling stations to be used for the 1st October Referendum.
Time to denunce to AEPD
To be fair, it is very difficult to find unbiased and knowledgeable people writing about this. It is best to not rely on only one kind of source if you want to form an opinion.
If the real intention was to organize a referendum, it could have been done with preparation, lawfully and negotiated with other regional political forces who are also supporting it.
It has been tried for years, not only in Catalonia, but also in Euskadi.
The Spanish law was changed en 2006 to make those referendums ilegal
That said, the law is just a tool used by the people to live peacefully in a society. If people are not happy about it, the law needs to be changed.