§ 263. Judicial review. No determination of the commissioner or a member of the department which is appealable under the provisions of this article shall be reviewed in any court unless an appeal has been filed and determined in accordance with this article. The determination of the appeals board shall be subject to review by the supreme court in the manner provided in article seventy-eight of the civil practice law and rules; provided, however, the refusal of an appeals board to grant a stay pending appeal shall be deemed a final determination for purposes of appeal.