Bank Data Maintenance for Finland
A bank detail is clearly identified by means of the account number. A bank key is not required. The account number is numeric with a maximum of 14 digits.

Account number: '11223344556677'
Maintain the bank details as follows:
Bank key: <empty>
Bank account: Account number without special characters ('11223344556677')

The respective bank (for example Merita, Postipankki) is identified by means of the first digit or the first two digits of the account number.