The Central Banks (Income Tax Schedule C Exemption) Order 1965
Finance Act 1957, s. 22, exempts from income tax under Schedule C the interest on United Kingdom Government securities held by banks, or the issue departments of banks, to which that section applies, and empowers Her Majesty by Order in Council to direct that the section shall apply to any bank, or to the issue department of any bank, not resident in the United Kingdom, which is entrusted by the government of a territory outside the United Kingdom with the principal foreign exchange reserves of that territory.