If any party or the committee hearing such appeal shall be of the opinion that persons other than those who appear upon the record are interested in such appeal, the court or committee shall cause notice to be given of the pendency of such proceedings to such other persons, in such manner as such judge or committee may direct. Such judge shall have all necessary power for the purpose of disposing of such appeal and may render judgment thereon and may tax costs in favor of any party and may issue execution therefor.