(1)  The Commission may vary a listing on the Roll, or the conditions on such a listing, at any time.

(2)  The variation may be effected –

(a) on the Commission's own motion, by notice to the person listed on the Roll; or

(b) consequent on an application made by the person listed.

(3)  An application for variation must –

(a) be in a form approved by the Commission; and

(b) specify the variation sought; and

(c) contain any information and be accompanied by any documents the Commission requires; and

(d) be accompanied by the prescribed fee.

(4)  .  .  .  .  .  .  .  .  

(5)  In the case of an application for variation –

(a) the Commission may undertake such investigations as it considers appropriate; and

(b) the Commission, by written notice to the person listed on the Roll, may require the person to pay the whole or any part of the reasonable costs of the Commission in investigating and processing the application if those costs exceed the prescribed fee.

(6)  In the case of an application for variation, the Commission may –

(a) approve the application (with or without modification); or

(b) refuse the application.