(1)  A person who may make an application for an FVO or a person against whom an FVO has been made may at any time apply to a court for a variation, extension or revocation of the FVO.

(2)  An application referred to in subsection (1) may only be made with the leave of the court.

(3)  The court is not to grant leave under subsection (2) unless satisfied that there has been a substantial change in the relevant circumstances since the order was made or last varied.

(4)  Section 18 applies to the variation, extension or revocation of an FVO in the same manner as it applies to the making of an FVO.