(1) A licence holder may submit a tariff to the Secretary for approval.
(2) The Secretary may, by notice in writing, direct a licence holder to submit the licence holder's tariff, or part of the licence holder's tariff, to the Secretary for approval.
(3) A notice under subsection (2):
(a) must state a period, not shorter than 14 days, within which the licence holder must submit the tariff to the Secretary for approval; and
(b) may state the form in which the tariff must be submitted.
(4) If the Secretary gives a licence holder a direction under subsection (2), the licence holder must comply with the direction.