671. Investment principles.

The trustees of a trust scheme1 must secure: (1) that a statement of investment principles2 is prepared and maintained for the scheme; and (2) that the statement is reviewed at such intervals, and on such occasions, as may be prescribed3 and, if necessary, revised4. Before preparing or revising a statement of investment principles, the trustees of a trust scheme must comply with any prescribed requirements5. A statement of investment principles must be in the prescribed form and cover, amongst other things, the prescribed matters6. Neither a trust scheme nor a statement of investment principles may impose restrictions (however expressed)