9U.K.In section 79 (3) (b) of that Act after “given” there shall be inserted “with respect to the property” and after “case” there shall be inserted “or (where the property is an area of land within subsection (1) (d) of that section) the requisite undertakings described in that section have been given with respect to the property by such person or persons as the Treasury think appropriate in the circumstances of the case”.