7. The owner's alternative submission is that the award should be remitted by the Court to the arbitrators for reconsideration in the exercise of the supervisory jurisdiction conferred by s.12 of the Arbitration Act 1902 (N.S.W.) on the ground that it is possible that the arbitrators made an error of law in making their award. It is said that if the award contained the findings and calculations already mentioned it might have disclosed error of law on its face susceptible of relief by the Court. It is appropriate, so the argument runs, that the Court in the exercise of its supervisory jurisdiction should remit the award to the arbitrators requiring them to incorporate additional matters in their award so that the owner may seek relief for error of law, if any, on the face of the award. It may be that the Court's supervisory jurisdiction under s.12 to remit an award for reconsideration is not limited to cases in which there is an error of law, failure of duty or misconduct on the part of the arbitrator, rectification of mistake at the instance of the arbitrator, or fresh evidence. But we do not consider that the possibility, without more, that the arbitrators may have made an error of law, not appearing on the face of their award, is enough to justify an exercise of the power (see Russell on the Law of Arbitration (20th ed., 1982), p.396; GKN Centrax Gears Ltd. v. Matbro Ltd. (1976) 2 Ll.L.Rep. 555, at p.577).