Tools that automatically generate IBANs from domestic account numbers are not guaranteed to give correct IBANs because:

• The IBAN is based on the Basic Bank Account Number (BBAN)
• The BBAN cannot always be automatically derived from the domestic account number
• Nor can the BIC always be derived from the BBAN

More: International Bank Account Number (IBAN)

Tactile symbols are symbols used on the PIN entry device to allow the tactile identification of some keys. Each symbol shall be embossed directly on top of the key it identifies and will have a unique and logical design that helps key identification.

More: The Vertical & Horizontal Keyboard Layout