(1) With the prior consent in writing of the Trust, the holder of an authority granted under section 14 may engage any person approved by the Trust to carry out any work required as a condition of the authority and nothing in section 15(3) shall thereafter apply.
(2) The Trust may refuse consent under subsection (1) if not satisfied that the person proposed by the holder of the authority to carry out the work—
(a) has sufficient access to appropriate institutional and professional resources; or
(b) is sufficiently skilled and competent and is in every other way capable of ensuring the proposed work is carried out satisfactorily.
(3) In every case, the Trust or a person approved by the Trust for the purpose shall, to the satisfaction of the Trust, compile a report on the work done and furnish a copy of it as soon as practicable to—
(a) the holder of the authority and to the owner, if that person is not the holder; and
(b) the Trust, if it has not carried out the work.