Small note for others: It’s not this complex everytime, luckily, you mostly just need a bit of persistence (and once you filed a complaint, while it might not even be legally binding, for example in Switzerland, the airline might just send the money at some point during the procedure as the chance someone files a complaint also goes to court and generates more costs is high —- so it’s always worth it trying the official way before going to agencies).

> It’s not this complex everytime, luckily

I'm glad it was straightforward when it come up for me. In my case, I was dealing with an airline based in my county of residence, and I just emailed them saying that the law says I get the money and they just said "okay, we're sending it" and then I had the money.

I think this "we ignore you" behavior is specific to Norse, behaving like a low-cost airline in financial trouble. Whatever they can save from such incidents by ignoring customer complaints benefits their bottom line.