(1) This clause applies to any dispute about—
(a) whether or not any person is required to pay the levy; or
(b) the amount of levy payable.
(2) Any party to the dispute may ask the President of the Arbitrators and Mediators Institute of New Zealand Incorporated to appoint a person to resolve the dispute by mediation; and, in that case, the President (or a person authorised by the President to do so) may appoint a person to resolve the dispute by mediation.
(3) The mediator's appointment ends if—
(a) the parties to the dispute resolve it by agreement; or
(b) the mediator resolves the dispute under clause 28.