The petition is open to all EU resident. The goal is to replace all Windows in all public institution in Europe with a sovereign GNU/Linux.
If the petition is successful it would be a huge step forward for GNU/Linux adoption.
2 points
https://en.m.wikipedia.org/wiki/LiMux
Not a lot of sources, I did find a blog post from a 3rd party contractor who did some work to get stuff upstreamed, but I cant find it right now