(1) The commission may, on application, make an order exempting a person, contract, negotiated agreement or other matter from the operation of a contract determination, including, for example—(a) a class of principal contractors or independent couriers; or(b) a class of courier service contracts; or(c) principal contractors or independent couriers in a particular locality.
(2) The commission may make the order if satisfied the exemption is not contrary to the public interest.
(3) An exemption has effect for the period, of not more than 3 years, stated in the exemption.
(4) The commission may review, vary or revoke an exemption on application or on its own initiative.