[ale]

Yes and no. You get notified if someone else actually asks for your revenue info and so in practice nobody actually does it.

[arcticfox]

Is this not trivial to get a random person to check stuff for you in exchange for making requests for them (on people they are interested in)? Or is that illegal?

[vodkapump]

There's paid services that pull it for you, most charging around 100nok (10eur) per lookup.[1]

Media is also allowed to pull "top" lists like the 100 people with the most income in a city, 100 people with the most wealth in a city, etc.

[1] https://sjekkskatt.no/