When you enter an IBAN, you have the following options:

You know the bank details (country, bank key, and bank account) and the relevant IBAN of the business partner.
• First enter the country, bank key, and bank account as new bank details and then choose IBAN. Depending on the system setting (see Procedure for System Administration below), the system proposes the relevant IBAN and you have to check it; alternatively, you have to enter the IBAN.
• You do not enter any data for the new bank details; instead, with the cursor on an empty line, you choose IBAN. In the IBAN Convertor dialog box, enter the IBAN and, if necessary, deselect the Bank Account Number Unknown checkbox. The choose Generate Bank Details, and check the bank details proposed (country, bank key, and bank account).

You know the IBAN but not the bank account number of the business partner.

• You do not enter any data for the new bank details; instead, with the cursor on an empty line, you choose IBAN. In the IBAN Convertor dialog box, enter the IBAN and select the Bank Account Number Unknown checkbox. After confirming your entry, check the bank proposed (country and bank key).
Note that in this case, you can no longer modify the following fields: Country, Bank Key, Bank Account, Bank Control Key, IBAN, and Valid From. If necessary, you have to delete the incorrect bank details and enter them again.

Procedure for System Administration

For the input option Bank Account Number Unknown mentioned above, in the IMG you have to activate the function IBAN without Bank Account Number.

For further information about the setting options for the IBAN, see the documentation for the messages 024, 025, and 026 from message class BF00.