If any arrangement affecting the dutiable value of dutiable property that was entered into within 12 months before a dutiable transaction was brought about by any person with the intention of reducing the dutiable value of the dutiable property, the commissioner may—
(a) cause a valuation of the dutiable property to be made; and
(b) direct the valuer to disregard the arrangement for the purposes of the valuation; and
(c) assess duty on the basis of the valuation carried out in accordance with the direction.