(1)Subject to the provisions of the last foregoing section with respect to appeals, if any person to whom directions are given" by the Minister under section fourteen of this Act fails to comply with any requirement of the directions within the period prescribed thereby, then, without prejudice to any proceedings which may be taken against him in respect of an offence under this Part of this Act, the Minister may by order authorise any person named in the order to take, on behalf of the person in default, such steps as the Minister considers necessary for securing compliance with that requirement.
(2)The amount of any expenses reasonably incurred by a person authorised as aforesaid in carrying out works under this section may be recovered by the Minister from the person in default.
(3)In proceedings for the recovery of any expenses under this section, it shall not be open to the defendant to raise by way of defence any question which he could have raised on an appeal under the last foregoing section.