(1) A bargaining representative for a proposed enterprise agreement to which a single interest employer authorisation relates may apply to the FWC to vary the authorisation to extend the period for which the authorisation is in operation.
(2) The FWC may vary the authorisation to extend the period if the FWC is satisfied that:
(a) there are reasonable prospects that the agreement will be made if the authorisation is in operation for a longer period; and
(b) it is appropriate in all the circumstances to extend the period.