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International Bank Account Number
(IBAN) 
You can define the IBAN in the SAP system as a component of the bank details, and so use it for both domestic and foreign payment transactions.
When you change the
master data of a customer in Accounts Receivable Accounting (FI-AR), you can, for example, create or
change the IBAN direct using a pushbutton. A symbol on the pushbutton shows
whether an IBAN has been entered for any bank details (
with quick info IBAN
maintained) or not
(
with quick info IBAN).
When you enter the IBAN, there are the following constellations:
● You know both the data for the country, bank key, and bank account number and the relevant IBAN. In this case, you can choose between the following alternatives:
○
You enter the
country, bank key, and bank account number as new bank details and then choose
with quick info IBAN. Depending on the system setting (see the messages
detailed below), the system proposes the relevant IBAN and you have to check
it, or else you have to enter the IBAN yourself.
○
You derive the data
for the country, bank key, and bank account number from this IBAN. To do this,
you place the cursor on an empty line and choose
with quick info IBAN. In the dialog box IBAN
Convertor, enter the IBAN
and deselect the indicator Bank Account Number Unknown if the relevant field is shown. Then choose
Generate Bank Details and check the data proposed for country, bank key,
and bank account.
● You know the IBAN but not the bank account number:
○
You derive the data
for the country and bank key from this IBAN. To do this, you place the cursor
on an empty line and choose
with quick info IBAN. In the IBAN Convertor dialog box, enter the IBAN and select the
Account
Number Unknown checkbox.
After confirming your entry, check the data proposed for country and bank
key.

Prerequisite: in Customizing you have activated the use of the IBAN without a bank account number. For more information, see the Activate IBAN without Bank Account Number activity in the Implementation Guide (IMG) for Accounts Receivable and Accounts Payable.
For further information about the setting options for the IBAN, see the documentation for messages 024, 025, and 026 of message class BF00.
