It is contended for the commissioner that the decision of the Board involves certain questions of law so that an appeal lies under s. 25 (7) of the Act. Under similar provisions in the Income Tax Assessment Act, where an appeal was given from a decision which, in the opinion of the High Court, involved a question of law, it was stated in Ruhamah Property Co. Ltd. v. Federal Commissioner of Taxation [1] by the Chief Justice and Gavan Duffy, Powers and Starke JJ.: - "An appeal has now been brought to this Court under s. 51 (6) of the Act, which provides that a taxpayer may appeal to the High Court from any decision of the Board" (which was a Board of Review in this case) "which in the opinion of the High Court involves a question of law." The words are the same as those to be found in s. 25 (7) of the Estate Duty Assessment Act. Their Honours continued: - "If some question of law be involved in the decision of the Board we apprehend that the whole decision of the Board, and not merely the question of law, is then open to review," and reference is made to Ex parte Walsh and Johnson; In re Yates [2] . It will be observed that the words used by their Honours are: "If some question of law be involved" and not such words as: "If some question of law be involved in the decision and that question of law has been wrongly decided." Their Honours held in the Ruhamah Case [1] that there had been an erroneous decision of the Board upon a question of law. Isaacs J., however, said this at p. 155: - "It will be observed that it is the "decision" which must involve a question of law. If that condition exists, then the whole case is within the original jurisdiction of the Court (see Federal Commissioner of Taxation v. Munro [2] ). If the Board's decision on examination, be found to be unaffected by any erroneous view of the law - as, for instance, if it be found that the question of law has been correctly apprehended, then, in my opinion, on a true construction of the sub-section, it is the duty of this Court to abstain from altering the Board's conclusion of fact. Any other course is, in my opinion, contrary to the intention of Parliament."