See International Bank Account Number Euroclear Clearing and Settlement glossary
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IBAN UK US /ˈaɪbæn/ noun [C, usually singular]
► BANKING ABBREVIATION for International Bank Account Number: a number for identifying a bank account that is used when sending money from an account in one country to an account in another, especially in Europe: »
Each customer who orders a cross-border credit transfer must use the correct IBAN and BIC.
Financial and business terms. 2012.