The IBAN is an international standard for identifying bank accounts across national borders in a way that would minimize the risk of propagating transcription errors. It is used in facilitating payments and is widely adopted by many countries from around the world.
IBAN guarantees the customers a unique international customer account number which can be used confidently in making or receiving payments nationally or internationally. It is the International accepted standard for numbering bank customer accounts and the ISO standard methodology for verifying the accuracy of the IBAN.