Within 3 weeks of service of copies of the award on the parties under section 25 an appeal shall lie from any decision of the Director of Agricultural Services or his or her nominee to the magistrate subject to rules made under the authority of this Act on the grounds that—
(a) the arbitration proceedings have been misconducted;
(b) the award has been improperly procured; or
(c) the award is unreasonable,
and the magistrate determining an appeal under this section shall either order the amount awarded to be paid, or, if he or she shall find against the award, order such amount to be paid as he or she shall determine on the evidence to be payable.