http://www.legislation.gov.uk/id/ukpga/Eliz2/9-10/62/schedule/FOURTH

http://www.legislation.gov.uk/ukpga/Eliz2/9-10/62/schedule/FOURTH/paragraph/2

Trustee Investments Act 1961

An Act to make fresh provision with respect to investment by trustees and persons having the investment powers of trustees, and by local authorities, and for purposes connected therewith.