(1)  The Secretary, by notice to the holder of an undischarged fireworks display permit, may allow the holder of the permit to reschedule the relevant fireworks display if satisfied that –

(a) the date of the display is not critical; and

(b) the timing of the display needs to be advanced or postponed for a valid reason.

(2)  The Secretary, by the same notice, may attach the conditions to the rescheduling that the Secretary thinks fit in the circumstances and those conditions are taken to be conditions of the permit.