[makeitdouble]

Yes, it's really bad.

We actually couldn't open a joint bank account with both names separated. They'd accept the papers signed in the official names, but the names on the cards and other communication needed to be unified for their system to accept it. They'd accept to reemit card with the correct names only as an exception by abusing the card renewal system apparently

[fer]

I assume you're talking about Société Générale? I've experienced that, and what's worse it's that's it's broken on purpose. A joint bank account doesn't require the people to be married, let alone to share names. But if they tick the married box, whoops, now it's suddenly mandatory.