Is this because they are regulated by the Dutch Central Bank or something?
Dunno-thought it was mentioned here but Perplexed has an explanation above:
Perplexed said:Re the Rabo request: There are stricter requirements for opening an Interest Bearing a/c which I presume is the type you were opening there. You have to sign a form if you do not have documentation showing your PPS no.
I don't recall Northern Rock looking for PPS info, but it is a while since I opened an account with them.