Barclays Bank has been ordered by the Treasury to pay half-a-billion pounds in tax which it had tried to avoid. Barclays was accused by HM Revenue and Customs of designing and using two schemes that were intended to avoid substantial amounts of tax. The government has taken the unusual step of introducing retrospective legislation to end such "aggressive tax avoidance" by financial institutions. Tax rules forced the bank to tell the authorities about its plans. The government has closed the schemes to retrieve £500m of lost tax and safeguard payments of billions of more tax in the future....Read more here--: