Yorkshire Bank took place in the bank's heartland and many miners were customers, having been encouraged by the National Coal Board to have their pay mandated to a bank account. In 1990, the National Australia Bank Group acquired the bank from the consortium of owning banks which, after mergers and acquisitions, were the National Westminster Bank, (holders of 40%), Barclays Bank (32%), Lloyds Bank (20%), and Royal Bank of Scotland (8%). The price paid was £1 billion and the bank joined National Australia Bank's other European businesses, Clydesdale Bank (Scotland) and Northern Bank (which operated in both jurisdictions in Ireland). In May
International Bank Account Number have additional aliases that follow the IBAN format as a precursor to formal SWIFT registration. The degree to which bank verifies the validity of a recipient's bank account number depends of the configuration of the transmitting bank's software—many major software packages supply bank account validation as a standard function. Some banks outside Europe may not recognize IBAN, though this is expected to diminish with time. Non-European banks usually accept IBANs for accounts in Europe, although they might not treat IBANs differently from other foreign bank account numbers. In particular, they might not check the IBAN's validity prior to sending the