Original source is The Independent

They mention in the US they are affiliated with the US branch of Communications Workers of America (CWA). “Separately, the WWU-UK branch has affiliated with United Tech and Allied Workers (UTAW), a national branch of the Communication Workers Union (CWU).” You can see their FAQ for more details.

If you prefer reading, there’s great articles by OpenMedia, and many by Michael Geist.

For the latest on if the bill has passed (and what stage), see the Parliament of Canada website.