13.—(1) Subject to subsection (2), a person who is authorised under section 11 to exercise a function is (whatever the terms of the agency) subject to any specific duties or restrictions attached to the function.
For example, a person who is authorised under section 11 to exercise the general power of investment is subject to the duties under section 4 in relation to that power.
(2) A person who is authorised under section 11 to exercise a power which is subject to a requirement to obtain advice is not subject to the requirement if he is the kind of person from whom it would have been proper for the trustees, in compliance with the requirement, to obtain advice.