38 U.S.C. § 7252 : US Code - Section 7252: Jurisdiction; finality of decisions

      (a) The Court of Appeals for Veterans Claims shall have exclusive
    jurisdiction to review decisions of the Board of Veterans' Appeals.
    The Secretary may not seek review of any such decision. The Court
    shall have power to affirm, modify, or reverse a decision of the
    Board or to remand the matter, as appropriate.
      (b) Review in the Court shall be on the record of proceedings
    before the Secretary and the Board. The extent of the review shall
    be limited to the scope provided in section 7261 of this title. The
    Court may not review the schedule of ratings for disabilities
    adopted under section 1155 of this title or any action of the
    Secretary in adopting or revising that schedule.
      (c) Decisions by the Court are subject to review as provided in
    section 7292 of this title.