Supplier Bank Account Information - IBAN

Good Morning --

We are currently implementing E1 9.1 in Europe.  All bank accounts are using the IBAN format so the Account Number is no longer valid for these suppliers.  The bank account # is a required field in the P0030A.  Is there a way to turn that requirement off and enter the IBAN number instead?  My understanding is that with new bank accounts, the IBAN is the account # so there isn't necessarily an account number to be entered (and IBAN does not always fit in the Account # Field).  Is there an EMEA localization setup that I am missing?  In addition, it's unecessary