(1) If, under paragraph 26 (1)(c), the Secretary refuses to approve a tariff , the licence holder who submitted the tariff must not apply the tariff or allow the tariff to be applied.
(2) If, under paragraph 26 (1)(b), the Secretary approves
a tariff subject t o conditions , the licence holder who submitted the tariff
must not apply the tariff or allow the tariff to be applied unless the
conditions are met.