(1) The FWC may make a determination varying a modern award to remove an ambiguity or uncertainty or to correct an error.
(2) The FWC may make the determination:
(a) on its own initiative; or
(b) on application by an employer, employee, organisation or outworker entity that is covered by the modern award; or
(c) on application by an organisation that is entitled to represent the industrial interests of one or more employers or employees that are covered by the modern award; or
(d) if the modern award includes outworker terms--on application by an organisation that is entitled to represent the industrial interests of one or more outworkers to whom the outworker terms relate.