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
Islamic economics in Pakistan a "Profit and Loss Sharing System", according to which account holders were to share the losses and profits of the bank. In 1980 the Council of Islamic Ideology issued a report with "detailed and far reaching reforms" to eliminate interest. The military government employed Islamic scholars and economists led by professor Khurshid Ahmad to compile laws about Islamic financing. Zia's government responded to the council's report by replacing interest-bearing savings accounts with PLS instruments in Pakistan's five state banks. The government also introduced and encouraged such banks to adopt financing schemes based upon the principles of "mudaraba" and or "musharaka."