Cryovolcano on Enceladus: An artist's vision of what a cryovolcano might look like on the surface of Enceladus, with Saturn visible in the background. NASA image. Enlarge.
the international bank account number iban is an internationally agreed system of identifying bank accounts across national borders to facilitate the communication and processing of cross border transactions with a reduced risk of transcription errorshe basic bank account number bban format is decided by the national central bank or designated payment authority of each country there is no consistency between the formats adopted the national authority may register its bban format with swift but is not obliged to do so it may adopt iban without registration
It is up to the banking association of each country to determine what BBAN will be set as the standard for that country's bank accounts. Currently, the IBAN is primarily used only by banks in Europe, but the practice is becoming popular in other countries.