Why is my Ibannr? Not valid? I tried already with 2 different accounts.

so hard on booking.com. They send you from one internetpage to another, don’t understand it very well yet.



The setup of bank accounts can be quite fiddly.  You have posted this on the partner forum so we are unable to see your setup.  You can contact the booking.com help team using the Inbox icon on Extranet who may be able to give you more information.