(1) If a competition notice is in force in relation to a carrier or carriage service provider, the Commission may vary the competition notice so long as the variation is of a minor nature.
(2) If a Part A competition notice is in force in relation to a carrier or carriage service provider, the Commission may vary the competition notice by omitting the time at which the notice is expressed to come into force and substituting a later time.
(3) If a competition notice is varied, the Commission must give the carrier or carriage service provider concerned a written notice setting out the terms of the variation.