After section 3.3.8(1) of the Principal Act insert —
"(1A) The Commission must use its reasonable endeavours to determine an application within 60 days after—
(a) receiving a notification from a responsible authority under section 3.3.5(2) that the authority does not intend to make a submission under section 3.3.6; or
(b) the making of a submission by a responsible authority under section 3.3.6—
whichever occurs first.
(1B) If the Commission does not determine the application within the period specified under subsection (1A), the Commission is to be taken to have refused to grant the approval.".