(1) A superior court may vary or revoke an order made by the court under section 7, 9A, 10 or 11.
(2) The power to vary an order includes the power to:
(a) include in the order a direction under section 13; or
(b) vary or revoke a direction under section 13 that is included in the order.
(3) If an order under section 7 or 10 that includes a direction under section 13 is revoked, the direction under section 13 is taken to have been revoked at the same time.