(1) The Reserve Bank:
(a) may, by written notice given to a body corporate:
(i) vary a direction given under this Subdivision to the body corporate if, at the time of variation, the Reserve Bank reasonably believes the variation is necessary or appropriate; or
(ii) revoke such a direction if, at the time of revocation, the Reserve Bank reasonably believes the direction is no longer necessary or appropriate; and
(b) for a direction given under subsection 823E(1)--must immediately do so if required under subsection 823E(6).
(2) A direction given under this Subdivision has effect until the Reserve Bank revokes it under subsection (1).