(1) This section applies until--
(a) if the approval is given--the geothermal lease holder is given notice of the approval; or
(b) if the approval is refused--the refusal takes effect.
(2) Despite the ending of the plan period for the geothermal lease's current development plan--
(a) the geothermal lease is taken to have a development plan; and
(b) the holder may carry out any authorised activity for the geothermal lease.