(1)  The Minister on the recommendation of the Director may, by order –

(a) revoke an order made under section 161B ; or

(b) amend the order by –

(i) changing the category of the landslip area; or

(ii) altering the area of the landslip area.

(2)  The Minister must cause an order under subsection (1) to be registered in accordance with section 161C as soon as practicable after making the order.

(3)  The provisions of sections 161B and 161C apply to an order under this section by which –

(a) land that is not part of a landslip area becomes part of one; or

(b) land in a B landslip area becomes part of an A landslip area.